APA (7th ed.) Citation

Dennis, F., Shaffer, T., & O'Connor, P. (1996). Apple varieties yesterday, today & tomorrow. [Michigan State University?].

Chicago Style (17th ed.) Citation

Dennis, Frank, Terry Shaffer, and Patrick O'Connor. Apple Varieties Yesterday, Today & Tomorrow. [East Lansing, Mich.?]: [Michigan State University?], 1996.

MLA (9th ed.) Citation

Dennis, Frank, et al. Apple Varieties Yesterday, Today & Tomorrow. [Michigan State University?], 1996.