Cita APA (7a ed.)

Navarra, J. G., Zafforoni, J., & Garone, J. E. (1973). Life in the environment: The biological sciences. Harper & Row.

Cita Chicago Style (17a ed.)

Navarra, John Gabriel, Joseph Zafforoni, y John Edward Garone. Life in the Environment: The Biological Sciences. New York: Harper & Row, 1973.

Cita MLA (8a ed.)

Navarra, John Gabriel, et al. Life in the Environment: The Biological Sciences. Harper & Row, 1973.