APA (7th ed.) Citation

Ager, D. V. (1967). Introducing geology: The earth's crust considered as history. Faber.

Chicago Style (17th ed.) Citation

Ager, Derek Victor. Introducing Geology: The Earth's Crust Considered as History. London: Faber, 1967.

MLA (9th ed.) Citation

Ager, Derek Victor. Introducing Geology: The Earth's Crust Considered as History. Faber, 1967.

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