Cita APA

Sawyer, W. W. 1., & Sawyer, W. W. 1. (1961). What is calculus about? New York, New York: Random.

Citación estilo Chicago

Sawyer, Walter Warwick 1911-, y Walter Warwick 1911- Sawyer. What Is Calculus About? New York, New York: Random, 1961.

Cita MLA

Sawyer, Walter Warwick 1911-, y Walter Warwick 1911- Sawyer. What Is Calculus About? New York, New York: Random, 1961.