APA (7th ed.) Citation

LaHaye, T., & Muller, F. (1980). The mark: Left behind series, book 8 (Unabridged.). Recorded Books.

Chicago Style (17th ed.) Citation

LaHaye, Tim, and Frank Muller. The Mark: Left Behind Series, Book 8. Unabridged. Prince Frederick: Recorded Books, 1980.

MLA (8th ed.) Citation

LaHaye, Tim, and Frank Muller. The Mark: Left Behind Series, Book 8. Unabridged. Recorded Books, 1980.

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