Cita APA

Keegan, D. L., Pettigrew, A., & Parker, Z. (1974). Letter: Psychosis in Down's syndrome treated with amitriptyline.

Chicago Style Citation

Keegan, D. L., A. Pettigrew, i Z. Parker. Letter: Psychosis in Down's Syndrome Treated With Amitriptyline. 1974.

Cita MLA

Keegan, D. L., A. Pettigrew, i Z. Parker. Letter: Psychosis in Down's Syndrome Treated With Amitriptyline. 1974.