Παραπομπή APA

Harbaugh, J. W. (1977). Probability methods in oil exploration. John wiley.

Παραπομπή Chicago Style

Harbaugh, John W. Probability Methods in Oil Exploration. New york: John wiley, 1977.

Παραπομπή MLA

Harbaugh, John W. Probability Methods in Oil Exploration. John wiley, 1977.