Keller, F. S. (1950). Principles of Psychology. Appleton-Century-Crofts.
Chicago Style CitationKeller, Fred S. Principles of Psychology. Appleton-Century-Crofts, 1950.
MLA CitationKeller, Fred S. Principles of Psychology. Appleton-Century-Crofts, 1950.
Warning: These citations may not always be 100% accurate.