APA Citation

Milligan, G. C. (1977). The Changing earth: An introduction to geology. Toronto: McGraw-Hill Ryerson.

Chicago Style Citation

Milligan, George C. The Changing Earth: An Introduction to Geology. Toronto: McGraw-Hill Ryerson, 1977.

MLA Citation

Milligan, George C. The Changing Earth: An Introduction to Geology. Toronto: McGraw-Hill Ryerson, 1977.

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