Citazione Stile APA (7a Edizione)

McCrimmon, J. M. (1980). Writing with a purpose (7th ed.). Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

McCrimmon, James M. Writing with a Purpose. 7th ed. Boston: Houghton Mifflin, 1980.

Citatione MLA (9a ed.)

McCrimmon, James M. Writing with a Purpose. 7th ed. Houghton Mifflin, 1980.