Cita APA (7a ed.)

(1990). Environmental science: A global concern. Wm. C. Brown Publishers.

Cita Chicago Style (17a ed.)

Environmental Science: A Global Concern. Dubuque: Wm. C. Brown Publishers, 1990.

Cita MLA (8a ed.)

Environmental Science: A Global Concern. Wm. C. Brown Publishers, 1990.