APA (7th ed.) Citation

Ira S Allison, D. F. P. (1980). Geology: The science of a changing earth. McGraw Hill.

Chicago Style (17th ed.) Citation

Ira S Allison, Donald F Palmer. Geology: The Science of a Changing Earth. McGraw Hill, 1980.

MLA (8th ed.) Citation

Ira S Allison, Donald F Palmer. Geology: The Science of a Changing Earth. McGraw Hill, 1980.

Warning: These citations may not always be 100% accurate.