APA (7th ed.) Citation

Grabau, A. W. (1960). Principles of stratigraphy. Dover Publications.

Chicago Style (17th ed.) Citation

Grabau, Amadeus W. Principles of Stratigraphy. New York: Dover Publications, 1960.

MLA (9th ed.) Citation

Grabau, Amadeus W. Principles of Stratigraphy. Dover Publications, 1960.

Warning: These citations may not always be 100% accurate.