Format your citation adhering to Chicago style: Author's last name, first name. Year of publication. Title in Italics. City of publication:
Publisher.
For example: Smith, John. 2006. Dictionary of Pigeons. Boston: Harvard Press.
If no author is credited, cite the editor. For example:
Jones, Andrew, ed. 2006. Dictionary of Pigeons. Boston: Harvard Press.
Format your citation adhering to MLA style: "Title of Entry." Title of dictionary in italics. Edition number. Year of publication. Medium of publication.
For example: "Passenger Pigeons." Dictionary of Pigeons. 2nd ed. 2006. Print.
Format your citation adhering to APA style: Title of dictionary in italics (Edition number). (Year of Publication). City, state of publication: Publisher.
For example: Dictionary of Pigeons (2nd ed.). (2006). Boston, MA: Harvard Press.