APA (7th ed.) Citation

Jourdain, P. E. B. (1919). The nature of mathematics (rev. ed.). Jack u.a.

Chicago Style (17th ed.) Citation

Jourdain, Philip E. B. The Nature of Mathematics. rev. ed. London u.a: Jack u.a, 1919.

MLA (9th ed.) Citation

Jourdain, Philip E. B. The Nature of Mathematics. rev. ed. Jack u.a, 1919.