Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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