Citazione Stile APA (7a Edizione)

Sharma, P. V. (1987). Geophysical methods in geology (3rd ed.). Elsevier Scientific Publishing Company.

Citazione stile Chigago Style (17a edizione)

Sharma, P. V. Geophysical Methods in Geology. 3rd ed. New York: Elsevier Scientific Publishing Company, 1987.

Citatione MLA (9a ed.)

Sharma, P. V. Geophysical Methods in Geology. 3rd ed. Elsevier Scientific Publishing Company, 1987.