Cita APA (7a ed.)

Zimbardo, P. G., Johnson, R. L., & McCann, V. Psychology: Core concepts (7th Revised ed.).

Cita Chicago Style (17a ed.)

Zimbardo, Philip G., Robert L. Johnson, y Vivian McCann. Psychology: Core Concepts. 7th Revised ed.

Cita MLA (8a ed.)

Zimbardo, Philip G., et al. Psychology: Core Concepts. 7th Revised ed.