APA (7th ed.) Citation

Titchener, E. B., & Weld, H. P. (1929). Systematic psychology: Prolegomena. Macmillan.

Chicago Style (17th ed.) Citation

Titchener, Edward Bradford, and Harry Porter Weld. Systematic Psychology: Prolegomena. New York: Macmillan, 1929.

MLA (9th ed.) Citation

Titchener, Edward Bradford, and Harry Porter Weld. Systematic Psychology: Prolegomena. Macmillan, 1929.