International Work Group for Palaeoethnobotany, Zeist, W. v., Wasylikowa, K., & Behre, K. (1991). Progress in Old World palaeoethnobotany : a retrospective on the ocasion of 20 years of the International Work Group for Palaeethnobotany / edited by Willem van Zeist, Krystyna Wasylikowa & Karl-Ernst Behre ; with the assistance of Geertje Entjes-Nieborg: A retrospective on the ocasion of 20 years of the International Work Group for Palaeethnobotany. Balkema.
Chicago Style (17th ed.) CitationInternational Work Group for Palaeoethnobotany, Willem van Zeist, Krystyna Wasylikowa, and Karl-Ernst Behre. Progress in Old World Palaeoethnobotany : A Retrospective on the Ocasion of 20 Years of the International Work Group for Palaeethnobotany / Edited by Willem Van Zeist, Krystyna Wasylikowa & Karl-Ernst Behre ; with the Assistance of Geertje Entjes-Nieborg: A Retrospective on the Ocasion of 20 Years of the International Work Group for Palaeethnobotany. Rotterdam: Balkema, 1991.
MLA (9th ed.) CitationInternational Work Group for Palaeoethnobotany, et al. Progress in Old World Palaeoethnobotany : A Retrospective on the Ocasion of 20 Years of the International Work Group for Palaeethnobotany / Edited by Willem Van Zeist, Krystyna Wasylikowa & Karl-Ernst Behre ; with the Assistance of Geertje Entjes-Nieborg: A Retrospective on the Ocasion of 20 Years of the International Work Group for Palaeethnobotany. Balkema, 1991.