APA引文

(1978). British Columbia Alberta and the Yukon territory. National Geographic Society.

Chicago Style (17th ed.) Citation

British Columbia Alberta and the Yukon Territory. Washington, D.C: National Geographic Society, 1978.

MLA引文

British Columbia Alberta and the Yukon Territory. National Geographic Society, 1978.

警告：這些引文格式不一定是100％准確.