Cita APA

Krumbein,W.C and Pettijohn,F.J. (1938). Manual of sedimentary petrography. Appleton century.

Citación estilo Chicago

Krumbein,W.C and Pettijohn,F.J. Manual of Sedimentary Petrography. New York: Appleton century, 1938.

Cita MLA

Krumbein,W.C and Pettijohn,F.J. Manual of Sedimentary Petrography. Appleton century, 1938.