APA (7th ed.) Citation

Price, H. (1939). Fifty years of psychical research: A critical survey. Longmans, Green.

Chicago Style (17th ed.) Citation

Price, Harry. Fifty Years of Psychical Research: A Critical Survey. London: Longmans, Green, 1939.

MLA (8th ed.) Citation

Price, Harry. Fifty Years of Psychical Research: A Critical Survey. Longmans, Green, 1939.