Start with the lecturer's name, formatted as Last name, First initial. For example, if the lecturer's name is Kiana Cole, the name would be formatted as
Cole, K.
Follow the name with the year and semester, if appropriate, in parentheses. For example
Cole, K. (2011, summer session).
Continue with the name of the class or event. For example
Cole, K. (2011, summer session). Circus Arts, History 267.
Specify that the event was a class lecture. For example
Cole, K. (2011, summer session). Circus Arts, History 267. Class Lecture.
Finally, indicate the college or university at which the lecture took place. For example,
Cole, K. (2011, summer session). Circus Arts, History 267. Class Lecture. University of Evanston.
Start with the lecturer's name, formatted as last name, first name. For example, if the lecturer's name is Kiana Cole, the name would be formatted as
Cole, Kiana.
Include the title of the speech or lecture, if it was provided, followed by the name of the meeting or organization. For example
Cole, Kiana. Circus Arts, History 267.
Continue with the college or university name and location. For example
Cole, Kiana. Circus Arts, History 267. University of Evanston. Evanston, IL.
Specify the exact date as Day Month Year. For example
Cole, Kiana. Circus Arts, History 267. University of Evanston. Evanston, IL. 1 July 2011.
Finally, indicate the type of lecture: Class lecture, keynote speech, campaign speech and so on. For example
Cole, Kiana. Circus Arts, History 267. University of Evanston. Evanston, IL. 1 July 2011. Class Lecture.