APA (7th ed.) Citation

Harris, T., & Gerroll, D. (1999). Hannibal (Library ed.). Books on Tape.

Chicago Style (17th ed.) Citation

Harris, Thomas, and Daniel Gerroll. Hannibal. Library ed. Santa Ana, CA: Books on Tape, 1999.

MLA (9th ed.) Citation

Harris, Thomas, and Daniel Gerroll. Hannibal. Library ed. Books on Tape, 1999.