Cita APA (7a ed.)

Oltmann, J. E., & Friedman, S. (1967). Parental deprivation in psychiatric conditions. Diseases of the nervous system, 28, 298-303.

Cita Chicago Style (17a ed.)

Oltmann, J. E., y Samy Friedman. "Parental Deprivation in Psychiatric Conditions." Diseases of the Nervous System 28 (1967): 298-303.

Cita MLA (9a ed.)

Oltmann, J. E., y Samy Friedman. "Parental Deprivation in Psychiatric Conditions." Diseases of the Nervous System, 28, 1967, pp. 298-303.