APA (7th ed.) Citation

Ladd, G. T. (1898). Outlines of descriptive psychology: A text-book of mental science for colleges and normal schools. Longmans, Green and Co.

Chicago Style (17th ed.) Citation

Ladd, George Trumbull. Outlines of Descriptive Psychology: A Text-book of Mental Science for Colleges and Normal Schools. London: Longmans, Green and Co, 1898.

MLA (9th ed.) Citation

Ladd, George Trumbull. Outlines of Descriptive Psychology: A Text-book of Mental Science for Colleges and Normal Schools. Longmans, Green and Co, 1898.