Cita APA (7a ed.)

Morán, J. M., Morgan, M. D., & Weirsma, J. H. (1985). Introduction to environmental science. W. H. Freeman.

Cita Chicago Style (17a ed.)

Morán, Joseph M., M. D. Morgan, y James H. Weirsma. Introduction to Environmental Science. New York: W. H. Freeman, 1985.

Cita MLA (9a ed.)

Morán, Joseph M., et al. Introduction to Environmental Science. W. H. Freeman, 1985.