APA (7th ed.) Citation

Blatt, H., Berry, W. B. N., & Brande, S. (1991). Principles of stratigraphic analysis. Blackwell Scientific Publications.

Chicago Style (17th ed.) Citation

Blatt, Harvey, William B. N. Berry, and Scott Brande. Principles of Stratigraphic Analysis. Boston: Blackwell Scientific Publications, 1991.

MLA (9th ed.) Citation

Blatt, Harvey, et al. Principles of Stratigraphic Analysis. Blackwell Scientific Publications, 1991.