APA (7th ed.) Citation

WILLIAMS, H. Petrography an introduction to the study of roocks in thin sections. W.H. Freeman and Co.

Chicago Style (17th ed.) Citation

WILLIAMS, HOWEL. Petrography an Introduction to the Study of Roocks in Thin Sections. W.H. Freeman and Co.

MLA (8th ed.) Citation

WILLIAMS, HOWEL. Petrography an Introduction to the Study of Roocks in Thin Sections. W.H. Freeman and Co.

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