APA引文

Questar, Inc. (2008). Treasures of America's national parks. Disstributed by Questar.

Chicago Style (17th ed.) Citation

Questar, Inc. Treasures of America's National Parks. Chicago, IL: Disstributed by Questar, 2008.

MLA引文

Questar, Inc. Treasures of America's National Parks. Disstributed by Questar, 2008.

警告：這些引文格式不一定是100％准確.