APA

Howells J. G., . (1975). Principles of family psychiatry. New York: Brunner Mazel Publishers.

Chicago

Howells John G, . 1975. Principles of family psychiatry. New York: Brunner Mazel Publishers.

Harvard

Howells J. G., . (1975). Principles of family psychiatry. New York: Brunner Mazel Publishers.

MLA

Howells John G, . Principles of family psychiatry. New York: Brunner Mazel Publishers. 1975.