Citazione Stile APA (7a Edizione)

Berry, R. (1986). How to write a research paper (2nd ed.). Pergamon Press.

Citazione stile Chigago Style (17a edizione)

Berry, Ralph. How to Write a Research Paper. 2nd ed. Oxford: Pergamon Press, 1986.

Citatione MLA (9a ed.)

Berry, Ralph. How to Write a Research Paper. 2nd ed. Pergamon Press, 1986.