APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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