Cita APA

Courant, R. a. R. H. (1946). What is mathematics? Oxford University.

Citación estilo Chicago

Courant, Richard and Robbins Herbert. What Is Mathematics? Oxford University, 1946.

Cita MLA

Courant, Richard and Robbins Herbert. What Is Mathematics? Oxford University, 1946.

Warning: These citations may not always be 100% accurate.