APA (7th ed.) Citation

North American Paleontology Convention, Gray, J., Boucot, A. J., & Berry, W. B. N. (1981). Communities of the past. Hutchinson Ross Pub. Co. ; Distibuted by Academic Press.

Chicago Style (17th ed.) Citation

North American Paleontology Convention, Jane Gray, A. J. Boucot, and William B. N. Berry. Communities of the Past. Stroudsburg, Pa. : [New York, N.Y.]: Hutchinson Ross Pub. Co. ; Distibuted by Academic Press, 1981.

MLA (9th ed.) Citation

North American Paleontology Convention, et al. Communities of the Past. Hutchinson Ross Pub. Co. ; Distibuted by Academic Press, 1981.