Cita APA (7a ed.)

Trimble, W. B. S. (1984). Understanding the Canadian economy (7. ed.). Copp, Clark, Pitman.

Cita Chicago Style (17a ed.)

Trimble, William Burbage Smythe. Understanding the Canadian Economy. 7. ed. Toronto: Copp, Clark, Pitman, 1984.

Cita MLA (9a ed.)

Trimble, William Burbage Smythe. Understanding the Canadian Economy. 7. ed. Copp, Clark, Pitman, 1984.