Citazione Stile APA (7a Edizione)

Willis, H. (1966). Structure, style, and usage: A guide to expository writing. Holt, Rinehart and Winston.

Citazione stile Chigago Style (17a edizione)

Willis, Hulon. Structure, Style, and Usage: A Guide to Expository Writing. New York: Holt, Rinehart and Winston, 1966.

Citatione MLA (9a ed.)

Willis, Hulon. Structure, Style, and Usage: A Guide to Expository Writing. Holt, Rinehart and Winston, 1966.