APA (7th ed.) Citation

Barker, C. (1979). Organic geochemistry in petroleum exploration. AAPG Dept. of Education.

Chicago Style (17th ed.) Citation

Barker, Colin. Organic Geochemistry in Petroleum Exploration. [Place of publication not identified]: AAPG Dept. of Education, 1979.

MLA (9th ed.) Citation

Barker, Colin. Organic Geochemistry in Petroleum Exploration. AAPG Dept. of Education, 1979.

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