Citazione Stile APA (7a Edizione)
Johnson, W. R., & Kempton, W. (1981). Sex education and counseling of special groups: The mentally and physically disabled, ill and elderly (2. ed.). Thomas.
Citazione stile Chigago Style (17a edizione)
Johnson, Warren Russel, e Winifred Kempton. Sex Education and Counseling of Special Groups: The Mentally and Physically Disabled, Ill and Elderly. 2. ed. Springfield: Thomas, 1981.
Citatione MLA (9a ed.)
Johnson, Warren Russel, e Winifred Kempton. Sex Education and Counseling of Special Groups: The Mentally and Physically Disabled, Ill and Elderly. 2. ed. Thomas, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.