APA引文

Wells, M., & Free, K. R. (2023). System collapse (Unabridged.). Recorded Books, Inc..

Chicago Style (17th ed.) Citation

Wells, Martha, and Kevin R. Free. System Collapse. Unabridged. Prince Frederick: Recorded Books, Inc., 2023.

MLA引文

Wells, Martha, and Kevin R. Free. System Collapse. Unabridged. Recorded Books, Inc., 2023.

警告：這些引文格式不一定是100％准確.