Gaya APA

Yochelson, E, L. (1969). Proceedings of The North American Paleontological Convention (Volume II, September 5-7). Kansas: Allen Press, Inc.

Gaya MLA

Yochelson, Ellis, L. "Proceedings of The North American Paleontological Convention". Volume II, September 5-7 Kansas: Allen Press, Inc, 1969. Jurnal PSI.