APA引文

Cockrell, N., & Cockrell, B. (1978). Roofs over rivers: A guide to Oregon's covered bridges. Touchstone Press.

Chicago Style (17th ed.) Citation

Cockrell, Nick, and Bill Cockrell. Roofs over Rivers: A Guide to Oregon's Covered Bridges. Beaverton, Ore.: Touchstone Press, 1978.

MLA引文

Cockrell, Nick, and Bill Cockrell. Roofs over Rivers: A Guide to Oregon's Covered Bridges. Touchstone Press, 1978.

警告：這些引文格式不一定是100％准確.