Franklin

MLA

Gravenor, Conrad Percival. Surficial Geology of the Lindsay-peterborough Area : Ontario, Victoria, Peterborough, Durham, and Northumberland Counties, Ontario. Ottawa: E. Cloutier, Queen's Printer, 1957.

APA

Gravenor, C. Percival. (1957). Surficial geology of the Lindsay-Peterborough area : Ontario, Victoria, Peterborough, Durham, and Northumberland Counties, Ontario. Ottawa: E. Cloutier, Queen's Printer.

Chicago

Gravenor, Conrad Percival, Surficial Geology of the Lindsay-Peterborough Area: Ontario, Victoria, Peterborough, Durham, and Northumberland Counties, Ontario. Ottawa: E. Cloutier, Queen's Printer, 1957.