Final answer:
A Writer's Presence, which is a collection of essays by various authors edited by Donald McQuade and Robert Atwan, is an anthology.
Step-by-step explanation:
The book titled A Writer’s Presence, edited by Donald McQuade and Robert Atwan, that contains essays by various authors, fits the definition of an anthology. An anthology is a collection of works, such as essays, short stories, poems, etc., by different authors compiled into a single volume, often with a common theme or subject matter. This is typically done for literature classes where students are expected to read and write about these texts, and it may contain a variety of literary genres.