APA (7th ed.) Citation

Heiken, G. (1974). An atlas of volcanic ash. Smithsonian Inst. Press.

Chicago Style (17th ed.) Citation

Heiken, Grant. An Atlas of Volcanic Ash. Washington: Smithsonian Inst. Press, 1974.

MLA (9th ed.) Citation

Heiken, Grant. An Atlas of Volcanic Ash. Smithsonian Inst. Press, 1974.