Style de citation APA (7e éd.)

Hammond (C.S.) and Company. (1954). Ambassador world atlas. [s.n.].

Style de citation Chicago (17e éd.)

Hammond (C.S.) and Company. Ambassador World Atlas. Maplewood, N.J: [s.n.], 1954.

Style de citation MLA (9e éd.)

Hammond (C.S.) and Company. Ambassador World Atlas. [s.n.], 1954.