APA ציטוט

Williams, H. (1954). Petrography: An introduction to the study of rocks in thin sections. Vakils Feffer and Simons.

Chicago Edition Citation

Williams, Howel. Petrography: An Introduction to the Study of Rocks in Thin Sections. Bombay: Vakils Feffer and Simons, 1954.

ציטוט MLA

Williams, Howel. Petrography: An Introduction to the Study of Rocks in Thin Sections. Vakils Feffer and Simons, 1954.