APA (7th ed.) Citation
Williams, H., Turner, F. J., & Gilbert, C. M. (1955). Petrography: An introd. to the study of rocks in thin sections. Freeman.
Chicago Style (17th ed.) Citation
Williams, Howel, Francis John Turner, and Charles Merwin Gilbert. Petrography: An Introd. to the Study of Rocks in Thin Sections. San Francisco: Freeman, 1955.
MLA (9th ed.) Citation
Williams, Howel, et al. Petrography: An Introd. to the Study of Rocks in Thin Sections. Freeman, 1955.
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