APA (7th ed.) Citation

Blatt, H. (1997). Our geologic environment. Prentice-Hall.

Chicago Style (17th ed.) Citation

Blatt, Harvey. Our Geologic Environment. New Jersey: Prentice-Hall, 1997.

MLA (9th ed.) Citation

Blatt, Harvey. Our Geologic Environment. Prentice-Hall, 1997.