van Zeist, W. (1975). Preliminary Botanical Results of the 1972 Season at Selenkahiye.
Chicago Style (17th ed.) Citationvan Zeist, Willem. Preliminary Botanical Results of the 1972 Season at Selenkahiye. 1975.
MLA (8th ed.) Citationvan Zeist, Willem. Preliminary Botanical Results of the 1972 Season at Selenkahiye. 1975.
Warning: These citations may not always be 100% accurate.