APA (7th ed.) Citation

North, F. K. (1990). Petroleum geology (2nd impr.). Unwin Hyman.

Chicago Style (17th ed.) Citation

North, F. K. Petroleum Geology. 2nd impr. Boston [u. a.]: Unwin Hyman, 1990.

MLA (9th ed.) Citation

North, F. K. Petroleum Geology. 2nd impr. Unwin Hyman, 1990.

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