APA (7th ed.) Citation

Kael, P., Mankiewicz, H. J., & Welles, O. (1971). The Citizen Kane book. Little, Brown.

Chicago Style (17th ed.) Citation

Kael, Pauline, Herman J. Mankiewicz, and Orson Welles. The Citizen Kane Book. Boston: Little, Brown, 1971.

MLA (9th ed.) Citation

Kael, Pauline, et al. The Citizen Kane Book. Little, Brown, 1971.