Cita APA (7a ed.)

Howarth, W., & Mobley, G. F. (1987). Traveling the Trans-Canada: From Newfoundland to British Columbia. National Geographic Society.

Cita Chicago Style (17a ed.)

Howarth, William, y George F. Mobley. Traveling the Trans-Canada: From Newfoundland to British Columbia. Washington: National Geographic Society, 1987.

Cita MLA (9a ed.)

Howarth, William, y George F. Mobley. Traveling the Trans-Canada: From Newfoundland to British Columbia. National Geographic Society, 1987.