APA引文

Egan, T., & Lawlor, P. (2006). The worst hard time: The untold story of those who survived the great american dust bowl (Unabridged.). Tantor Audio.

Chicago Style (17th ed.) Citation

Egan, Timothy, and Patrick Lawlor. The Worst Hard Time: The Untold Story of Those Who Survived the Great American Dust Bowl. Unabridged. Old Saybrook: Tantor Audio, 2006.

MLA引文

Egan, Timothy, and Patrick Lawlor. The Worst Hard Time: The Untold Story of Those Who Survived the Great American Dust Bowl. Unabridged. Tantor Audio, 2006.

警告：這些引文格式不一定是100％准確.