Cita APA (7a ed.)

Nagao, T., & Saitō, I. (2000). Kokology: The game of self-discovery. Simon & Schuster.

Cita Chicago Style (17a ed.)

Nagao, Tadahiko, y Isamu Saitō. Kokology: The Game of Self-discovery. New York: Simon & Schuster, 2000.

Cita MLA (9a ed.)

Nagao, Tadahiko, y Isamu Saitō. Kokology: The Game of Self-discovery. Simon & Schuster, 2000.