APA (7th ed.) Citation

(1993). What is an author? Manchester Univ. Press u.a.

Chicago Style (17th ed.) Citation

What Is an Author? Manchester u.a: Manchester Univ. Press u.a, 1993.

MLA (9th ed.) Citation

What Is an Author? Manchester Univ. Press u.a, 1993.

Warning: These citations may not always be 100% accurate.