APA (7th ed.) Citation

Springer, N., & Kellgren, K. (2006). The case of the missing marquess (Unabridged.). Recorded Books Inc..

Chicago Style (17th ed.) Citation

Springer, Nancy, and Katherine Kellgren. The Case of the Missing Marquess. Unabridged. Prince Frederick: Recorded Books Inc., 2006.

MLA (8th ed.) Citation

Springer, Nancy, and Katherine Kellgren. The Case of the Missing Marquess. Unabridged. Recorded Books Inc., 2006.

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