APA citáció

Hetényi Magdolna & Varsányi Irén. (1976). Contributions to the isolation of the kerogen in Hungarian oil shales. Szeged.

Chicago Style (17th ed.) Citation

Hetényi Magdolna and Varsányi Irén. Contributions to the Isolation of the Kerogen in Hungarian Oil Shales. University of Szeged, Department of Mineralogy, Geochemistry and Petrology: Szeged, 1976.

MLA idézés

Hetényi Magdolna and Varsányi Irén. Contributions to the Isolation of the Kerogen in Hungarian Oil Shales. Szeged, 1976.