Cita APA (7th ed.)

(1990). Memories of the Canadian Rockies: 1991 ; Calendar. Banff Laser Graphics.

Cita Chicago (17th ed.)

Memories of the Canadian Rockies: 1991 ; Calendar. Calgary [u. a.]: Banff Laser Graphics, 1990.

Cita MLA (8th ed.)

Memories of the Canadian Rockies: 1991 ; Calendar. Banff Laser Graphics, 1990.