APA (7th ed.) Citation

Penrose, L. S. (1934). Mental defect. Farrar & Rinehart, Inc.

Chicago Style (17th ed.) Citation

Penrose, Lionel Sharples. Mental Defect. New York: Farrar & Rinehart, Inc, 1934.

MLA (9th ed.) Citation

Penrose, Lionel Sharples. Mental Defect. Farrar & Rinehart, Inc, 1934.

Warning: These citations may not always be 100% accurate.