Welte, D. H. (1965). Relation between petroleum and source rock. [s.l.]: [s.n.].
Chicago Style CitationWelte, Dietrich H. Relation between Petroleum and Source Rock. [s.l.]: [s.n.], 1965.
MLA CitationWelte, Dietrich H. Relation between Petroleum and Source Rock. [s.l.]: [s.n.], 1965.
Warning: These citations may not always be 100% accurate.