APA citáció

Hetényi Magdolna. (1985). Organic geochemical features of the maar-type oil shales of Hungary. Szeged.

Chicago Style (17th ed.) Citation

Hetényi Magdolna. Organic Geochemical Features of the Maar-type Oil Shales of Hungary. University of Szeged, Department of Mineralogy, Geochemistry and Petrology: Szeged, 1985.

MLA idézés

Hetényi Magdolna. Organic Geochemical Features of the Maar-type Oil Shales of Hungary. Szeged, 1985.