Cita APA (7a ed.)

Bridgwater William & Kurtz, S. (1965). The Columbia Encyclopedia (3ed.). Parents' magazine's cultural institute.

Cita Chicago Style (17a ed.)

Bridgwater William y Seymour Kurtz. The Columbia Encyclopedia. 3ed. Estados Unidos: Parents' magazine's cultural institute, 1965.

Cita MLA (8a ed.)

Bridgwater William y Seymour Kurtz. The Columbia Encyclopedia. 3ed. Parents' magazine's cultural institute, 1965.