Citazione Stile APA (7a Edizione)

Speak, C. M., & Reed, A. C. J. (1975). North America and Europe (Revised ed.). Oxford Univ. Press.

Citazione stile Chigago Style (17a edizione)

Speak, Christine Margaret, e Andrew Christopher Julian Reed. North America and Europe. Revised ed. Hong Kong: Oxford Univ. Press, 1975.

Citatione MLA (9a ed.)

Speak, Christine Margaret, e Andrew Christopher Julian Reed. North America and Europe. Revised ed. Oxford Univ. Press, 1975.