Cita APA (7a ed.)

Williams, J. S., Leyman, E., Karp, S. A., & Wilson, P. T. (1973). Environmental pollution and mental health. Information Resources.

Cita Chicago Style (17a ed.)

Williams, John S., Edward Leyman, Stephen A. Karp, y Paul T. Wilson. Environmental Pollution and Mental Health. Washington: Information Resources, 1973.

Cita MLA (8a ed.)

Williams, John S., et al. Environmental Pollution and Mental Health. Information Resources, 1973.