Παραπομπή APA

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

Παραπομπή Chicago Style

Krumbein, W C., και F J. Pettijohn. Manual of Sedimentary Petrography. New york: Appleton, 1938.

Παραπομπή MLA

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