APA (7th ed.) Citation

Kauffman, E. G., Hazel, J. E., & Heffernan, B. D. (1977). Concepts and methods of biostratigraphy. Dowden, Hutchinson & Ross.

Chicago Style (17th ed.) Citation

Kauffman, Erle G., Joseph E. Hazel, and Barbara Duffy Heffernan. Concepts and Methods of Biostratigraphy. Stroudsburg, Pa.: Dowden, Hutchinson & Ross, 1977.

MLA (9th ed.) Citation

Kauffman, Erle G., et al. Concepts and Methods of Biostratigraphy. Dowden, Hutchinson & Ross, 1977.