Citazione Stile APA (7a Edizione)

Petrillo, M., & Sanger, S. (1972). Emotional care of hospitalized children: An environmental approach. Lippincott.

Citazione stile Chigago Style (17a edizione)

Petrillo, Madeline, e Sirgay Sanger. Emotional Care of Hospitalized Children: An Environmental Approach. Philadelphia: Lippincott, 1972.

Citatione MLA (8a ed.)

Petrillo, Madeline, e Sirgay Sanger. Emotional Care of Hospitalized Children: An Environmental Approach. Lippincott, 1972.