APA (7th ed.) Citation

Niven, L., Pournelle, J., & Flynn, M. (1993). Fallen angels (1. publ. in Great Britain.). Pan Books.

Chicago Style (17th ed.) Citation

Niven, Larry, Jerry Pournelle, and Michael Flynn. Fallen Angels. 1. publ. in Great Britain. London [u.a.]: Pan Books, 1993.

MLA (9th ed.) Citation

Niven, Larry, et al. Fallen Angels. 1. publ. in Great Britain. Pan Books, 1993.