APA (7th ed.) Citation

Donovan, D. T. (1966). Stratigraphy: An introduction to principles. Murby.

Chicago Style (17th ed.) Citation

Donovan, D. T. Stratigraphy: An Introduction to Principles. London: Murby, 1966.

MLA (9th ed.) Citation

Donovan, D. T. Stratigraphy: An Introduction to Principles. Murby, 1966.

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