Cita APA (7th ed.)

Allen, R. C. (1968). Mental impairment and legal incompetency. Prentice-Hall.

Cita Chicago (17th ed.)

Allen, Richard C. Mental Impairment and Legal Incompetency. Englewood Cliffs, NJ: Prentice-Hall, 1968.

Cita MLA (9th ed.)

Allen, Richard C. Mental Impairment and Legal Incompetency. Prentice-Hall, 1968.