APA (7th ed.) Citation

Fagan John J. (1974). The earth environment. Prentice-Hall.

Chicago Style (17th ed.) Citation

Fagan John J. The Earth Environment. Englewood Cliffs, N. J: Prentice-Hall, 1974.

MLA (9th ed.) Citation

Fagan John J. The Earth Environment. Prentice-Hall, 1974.