Cita APA

Moran, J. M., Morgan, M. D., & Wiersma James H. (1973). An introduction to environmental science. Boston: Little, Brown.

Citación estilo Chicago

Moran, Joseph M., Michael D. Morgan, y Wiersma James H. An Introduction to Environmental Science. Boston: Little, Brown, 1973.

Cita MLA

Moran, Joseph M., Michael D. Morgan, y Wiersma James H. An Introduction to Environmental Science. Boston: Little, Brown, 1973.