Cita APA (7a ed.)

Borovik, G., & Knightley, P. (1994). The Philby files: The secret life of master spy Kim Philby. Little, Brown.

Cita Chicago Style (17a ed.)

Borovik, Genrikh, y Phillip Knightley. The Philby Files: The Secret Life of Master Spy Kim Philby. Boston [u.a.]: Little, Brown, 1994.

Cita MLA (9a ed.)

Borovik, Genrikh, y Phillip Knightley. The Philby Files: The Secret Life of Master Spy Kim Philby. Little, Brown, 1994.