General terms:
* Reference: This is the most general term and simply means a mention of the work.
* Allusion: A brief and indirect reference to a person, place, thing, or idea of historical, cultural, literary, or political significance.
* Citation: A formal reference to a source, including author, title, publication date, etc.
* Quotation: A direct excerpt from the text, usually enclosed in quotation marks.
More specific terms:
* Intertextuality: A broader concept than allusion, encompassing all relationships between texts, including influences, borrowings, and echoes.
* Parody: An imitation of a work of literature, typically for comic effect.
* Pastiche: A work that combines elements of different styles and genres, often in a playful or ironic way.
* Adaptation: A reworking of a literary work into a different medium, such as a film, play, or opera.
* Critique: A detailed analysis and evaluation of a work of literature.
The best term to use depends on the specific type of reference and the context in which it is made.