Gaya APA

Merril, G, P. (1904). The Non-Metallic Minerals:Their Occurence And Uses (Third Edition). : John Wiley & Sons. Inc.

Gaya MLA

Merril, George, Perkins. "The Non-Metallic Minerals:Their Occurence And Uses". Third Edition : John Wiley & Sons. Inc, 1904. Textbook.