APA (7th ed.) Citation

Judd, C. H. (1917). Psychology: A general introduction (Second edition.). Ginn & Company.

Chicago Style (17th ed.) Citation

Judd, Charles Hubbard. Psychology: A General Introduction. Second edition. Boston, Massachusetts: Ginn & Company, 1917.

MLA (9th ed.) Citation

Judd, Charles Hubbard. Psychology: A General Introduction. Second edition. Ginn & Company, 1917.