APA (7th ed.) Citation

Dunbar, C. O., & Rodgers, J. (1963). Principles of stratigraphy (4. print.). Wiley u.a.

Chicago Style (17th ed.) Citation

Dunbar, Carl O., and John Rodgers. Principles of Stratigraphy. 4. print. New York [u.a.]: Wiley u.a, 1963.

MLA (9th ed.) Citation

Dunbar, Carl O., and John Rodgers. Principles of Stratigraphy. 4. print. Wiley u.a, 1963.