APA (7th ed.) Citation

Vornholt, J., & Roddenberry, G. (2004). A time to die. Pocket Books.

Chicago Style (17th ed.) Citation

Vornholt, John, and Gene Roddenberry. A Time to Die. New York: Pocket Books, 2004.

MLA (9th ed.) Citation

Vornholt, John, and Gene Roddenberry. A Time to Die. Pocket Books, 2004.