APA

Canadá, . (1950). Annual Report. Ottawa: Department of Mines and Technical Survey.

Chicago

Canadá, . 1950. Annual Report. Ottawa: Department of Mines and Technical Survey.

Harvard

Canadá, . (1950). Annual Report. Ottawa: Department of Mines and Technical Survey.

MLA

Canadá, . Annual Report. Ottawa: Department of Mines and Technical Survey. 1950.