Cita APA (7a ed.)

Douglas, T. (1989). Esprit: The comprehensive design principle. Robundo.

Cita Chicago Style (17a ed.)

Douglas, Tompkins. Esprit: The Comprehensive Design Principle. Tokyo: Robundo, 1989.

Cita MLA (9a ed.)

Douglas, Tompkins. Esprit: The Comprehensive Design Principle. Robundo, 1989.