Cita APA (7a ed.)

Hildebrand, W. (1982). North America: Introducing the continent (2. ed.). Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Hildebrand, William. North America: Introducing the Continent. 2. ed. Toronto: Holt, Rinehart and Winston, 1982.

Cita MLA (9a ed.)

Hildebrand, William. North America: Introducing the Continent. 2. ed. Holt, Rinehart and Winston, 1982.