APA Citation

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

Chicago Style Citation

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

MLA 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.