van Zeist, W., & Bottema, S. (1966). Palaeobotanical Investigations at Ramad.
Chicago Style (17th ed.) Citationvan Zeist, W., and S. Bottema. Palaeobotanical Investigations at Ramad. AAAS, 1966.
MLA (8th ed.) Citationvan Zeist, W., and S. Bottema. Palaeobotanical Investigations at Ramad. 1966.
Warning: These citations may not always be 100% accurate.