Gaya APA

Tissot, B, &, W, D. (1978). Petroleum Formation & Occurrence ;a New Approach to Oil & Gas Exploration . New York: Springer - Verlag..

Gaya MLA

Tissot, B.P., &, Welte,, D.H.. "Petroleum Formation & Occurrence ;a New Approach to Oil & Gas Exploration". New York: Springer - Verlag., 1978. Text.