APA (7th ed.) Citation

Oldroyd, D. R. (1996). Thinking about the Earth : a history of ideas in geology / David R. Oldroyd: A history of ideas in geology. Athlone.

Chicago Style (17th ed.) Citation

Oldroyd, D. R. Thinking About the Earth : A History of Ideas in Geology / David R. Oldroyd: A History of Ideas in Geology. London: Athlone, 1996.

MLA (9th ed.) Citation

Oldroyd, D. R. Thinking About the Earth : A History of Ideas in Geology / David R. Oldroyd: A History of Ideas in Geology. Athlone, 1996.

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