Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.