Cita APA (7th ed.)

Froman, R. (1974). A game of functions. Thomas Y. Crowell.

Cita Chicago (17th ed.)

Froman, Robert. A Game of Functions. New York: Thomas Y. Crowell, 1974.

Cita MLA (9th ed.)

Froman, Robert. A Game of Functions. Thomas Y. Crowell, 1974.