Cita APA

Underwood, R. S., & Sparks, F. W. (1949). Living mathematics (2nd ed.).

Chicago Edition Citation

Underwood, Ralph S., i Fred W. Sparks. Living Mathematics. 2nd ed. 1949.

Cita MLA

Underwood, Ralph S., i Fred W. Sparks. Living Mathematics. 2nd ed. 1949.

Atenció: Aquestes cites poden no estar 100% correctes.