Cita APA (7a ed.)

Ruggles, A. H. (1934). Mental health: Past, present and future. Williams & Wilkins.

Cita Chicago Style (17a ed.)

Ruggles, Arthur Hiler. Mental Health: Past, Present and Future. Baltimore: Williams & Wilkins, 1934.

Cita MLA (9a ed.)

Ruggles, Arthur Hiler. Mental Health: Past, Present and Future. Williams & Wilkins, 1934.