APA Citation

Cronies, C. (1947). Down to earth: An introduction to geology. University of Chicago Press.

Chicago Style Citation

Cronies, Carey. Down to Earth: An Introduction to Geology. University of Chicago Press, 1947.

MLA Citation

Cronies, Carey. Down to Earth: An Introduction to Geology. University of Chicago Press, 1947.

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