APA引文

Heitzmann, K., & McMurdo-Wallis, C. (2013). Freefall (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Heitzmann, Kristen, and Cristine McMurdo-Wallis. Freefall. Unabridged. Prince Frederick: Recorded Books Inc., 2013.

MLA引文

Heitzmann, Kristen, and Cristine McMurdo-Wallis. Freefall. Unabridged. Recorded Books Inc., 2013.

警告：這些引文格式不一定是100％准確.