APA (7th ed.) Citation

White, W. A. (1930). Mental hygiene: Important public health problem. [publisher not identified].

Chicago Style (17th ed.) Citation

White, William A. Mental Hygiene: Important Public Health Problem. [Place of publication not identified]: [publisher not identified], 1930.

MLA (9th ed.) Citation

White, William A. Mental Hygiene: Important Public Health Problem. [publisher not identified], 1930.