APA (7th ed.) Citation

Beckmann, P. (1971). A history of pi (2. ed.). Golem Press.

Chicago Style (17th ed.) Citation

Beckmann, Petr. A History of Pi. 2. ed. Boulder, Colo: Golem Press, 1971.

MLA (9th ed.) Citation

Beckmann, Petr. A History of Pi. 2. ed. Golem Press, 1971.