Cita APA (7a ed.)

East, W. G., & Barrett, C. M. (1967). Man's environments. Nelson.

Cita Chicago Style (17a ed.)

East, W. G., y C. M. Barrett. Man's Environments. London: Nelson, 1967.

Cita MLA (8a ed.)

East, W. G., y C. M. Barrett. Man's Environments. Nelson, 1967.