Cita APA (7th ed.)

Funk & Wagnalls. (1960). Builders of America. [s.n].

Cita Chicago (17th ed.)

Funk & Wagnalls. Builders of America. New York: [s.n], 1960.

Cita MLA (9th ed.)

Funk & Wagnalls. Builders of America. [s.n], 1960.