Advances in organic geochemistry, 1968;
proceedings.
Edited by P. A. Schenck and I. Havenaar.

APA Citation

International Meeting on Organic Geochemistry (4th : 1968 : Amsterdam, N., Havenaar, I., Schenck, P. A., Geochemical Society. Organic Geochemistry Group. European Branch. (1969). Advances in organic geochemistry, 1968: proceedings. [1st ed.] Oxford: Pergamon Press.

MLA Citation

International Meeting on Organic Geochemistry (4th : 1968 : Amsterdam, Netherlands), I Havenaar, P. A Schenck, and Geochemical Society. Organic Geochemistry Group. European Branch. Advances In Organic Geochemistry, 1968: Proceedings. [1st ed.] Oxford: Pergamon Press, 1969.