Cita APA (7th ed.)

Crowdis, D. G., & Wheeler, B. W. (1969). Introduction to mathematical ideas. McGraw-Hill.

Cita Chicago (17th ed.)

Crowdis, David G., i Brandon W. Wheeler. Introduction to Mathematical Ideas. Nueva York: McGraw-Hill, 1969.

Cita MLA (9th ed.)

Crowdis, David G., i Brandon W. Wheeler. Introduction to Mathematical Ideas. McGraw-Hill, 1969.