Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Ruthenberg, K. (1997). Historical development and comparison of analytical methods for the identification of tar and pitch. Państwowe Muzeum Archeologiczne, Warszawa.

Chicago Citation Edition Citation

Ruthenberg, Klaus. Historical Development and Comparison of Analytical Methods for the Identification of Tar and Pitch. Warszawa: Państwowe Muzeum Archeologiczne, Warszawa, 1997.

MLA Citation Edition Citation

Ruthenberg, Klaus. Historical Development and Comparison of Analytical Methods for the Identification of Tar and Pitch. Państwowe Muzeum Archeologiczne, Warszawa, 1997.