APA Edition Citation

Schmidt, O. (1958). Theory of earth's origin: Four lectures tr by George H Hanna.

Chicago Edition Citation

Schmidt, Otto. Theory of Earth's Origin: Four Lectures Tr by George H Hanna. 1958.

MLA Edition Citation

Schmidt, Otto. Theory of Earth's Origin: Four Lectures Tr by George H Hanna. 1958.

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