Style de citation APA

Bertin, L. (1972). new larousse encyclopaedia of the earth (rev. ed.). Hamlyn.

Style de citation Chicago

Bertin, Leon. New Larousse Encyclopaedia of the Earth. rev. ed. London: Hamlyn, 1972.

Style de citation MLA

Bertin, Leon. New Larousse Encyclopaedia of the Earth. rev. ed. Hamlyn, 1972.