Cita APA (7a ed.)

Trimble, W. (1965). Understanding the Canadian economy (3. ed.). Copp Clark.

Cita Chicago Style (17a ed.)

Trimble, W. Understanding the Canadian Economy. 3. ed. Vancouver [u.a.]: Copp Clark, 1965.

Cita MLA (9a ed.)

Trimble, W. Understanding the Canadian Economy. 3. ed. Copp Clark, 1965.