Cita APA (7a ed.)

Trailwood Films (Firm) & Johnson, D. (2000). Canada's national parks. Trailwood Films.

Cita Chicago Style (17a ed.)

Trailwood Films (Firm) y Dale Johnson. Canada's National Parks. Lubbock, TX: Trailwood Films, 2000.

Cita MLA (8a ed.)

Trailwood Films (Firm) y Dale Johnson. Canada's National Parks. Trailwood Films, 2000.

Precaución: Estas citas no son 100% exactas.