Citazione Stile APA (7a Edizione)

Collins, M. (2007). Circle time for the very young (2nd ed.). P. Chapman.

Citazione stile Chigago Style (17a edizione)

Collins, Margaret. Circle Time for the Very Young. 2nd ed. Thousand Oaks, Calif: P. Chapman, 2007.

Citatione MLA (9a ed.)

Collins, Margaret. Circle Time for the Very Young. 2nd ed. P. Chapman, 2007.