APA (7th ed.) Citation

Blakey, E. S. (1985). Oil on their shoes: Petroleum geology to 1918. American Association of Petroleum Geologists.

Chicago Style (17th ed.) Citation

Blakey, Ellen Sue. Oil on Their Shoes: Petroleum Geology to 1918. Tulsa, Okla., U.S.A.: American Association of Petroleum Geologists, 1985.

MLA (9th ed.) Citation

Blakey, Ellen Sue. Oil on Their Shoes: Petroleum Geology to 1918. American Association of Petroleum Geologists, 1985.