APA (7th ed.) Citation

Rank, S., & Henning, D. (2020). History's 9 most insane rulers (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Rank, Scott, and Daniel Henning. History's 9 Most Insane Rulers. Unabridged. Prince Frederick: Recorded Books Inc., 2020.

MLA (8th ed.) Citation

Rank, Scott, and Daniel Henning. History's 9 Most Insane Rulers. Unabridged. Recorded Books Inc., 2020.

Warning: These citations may not always be 100% accurate.