APA (7th ed.) Citation

(1961). Group for the advancement of psychiatry: Problems of estimating changes in frequency of mental disorders. publisher not identified].

Chicago Style (17th ed.) Citation

Group for the Advancement of Psychiatry: Problems of Estimating Changes in Frequency of Mental Disorders. [No place of publication: publisher not identified], 1961.

MLA (9th ed.) Citation

Group for the Advancement of Psychiatry: Problems of Estimating Changes in Frequency of Mental Disorders. publisher not identified], 1961.

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