Cita APA (7a ed.)

Niven, L., & Pournelle, J. (1982). Oath of fealty. Pocket Books.

Cita Chicago Style (17a ed.)

Niven, Larry, y Jerry Pournelle. Oath of Fealty. New York: Pocket Books, 1982.

Cita MLA (9a ed.)

Niven, Larry, y Jerry Pournelle. Oath of Fealty. Pocket Books, 1982.