APA (7th ed.) Citation

Smith, K. J. (1980). The Nature of Modern Mathematics (3rd ed.). Brooks/Cole Publishing.

Chicago Style (17th ed.) Citation

Smith, Karl J. The Nature of Modern Mathematics. 3rd ed. Pacific Grove, CA: Brooks/Cole Publishing, 1980.

MLA (9th ed.) Citation

Smith, Karl J. The Nature of Modern Mathematics. 3rd ed. Brooks/Cole Publishing, 1980.