APA (7e ed.) Bronvermelding

Stone G. H. George H. (1899). The Glacial gravels of Maine and their associated deposits. Washington, Governmext Printing Office, 1899.

Chicago (17e ed.) Bronvermelding

Stone G. H. George H. The Glacial Gravels of Maine and Their Associated Deposits. Washington, Governmext Printing Office, 1899, 1899.

MLA (9e ed.) Bronvermelding

Stone G. H. George H. The Glacial Gravels of Maine and Their Associated Deposits. Washington, Governmext Printing Office, 1899, 1899.

Let op: Deze citaties zijn niet altijd 100% accuraat.