APA Edition Citation

Jeffreys, H. (1970). Earth: Its origin history and physical constitution (5.).

Chicago Edition Citation

Jeffreys, Harold. Earth: Its Origin History and Physical Constitution. 5. Academic Press Inc., USA, 1970.

MLA Edition Citation

Jeffreys, Harold. Earth: Its Origin History and Physical Constitution. 5. 1970.

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