Citazione Stile APA (7a Edizione)

Humphrey, M., & Humphrey, H. (1993). Inter-country adoption: Practical experiences. Tavistock/Routledge.

Citazione stile Chigago Style (17a edizione)

Humphrey, Michael, e Heather Humphrey. Inter-country Adoption: Practical Experiences. London: Tavistock/Routledge, 1993.

Citatione MLA (9a ed.)

Humphrey, Michael, e Heather Humphrey. Inter-country Adoption: Practical Experiences. Tavistock/Routledge, 1993.