Cita APA (7th ed.)

Petersen, S. H., & Wittmer, D. S. (2013). Endless opportunities for infant and toddler curriculum: A relationship-based approach (Second edition.). Pearson Education.

Cita Chicago (17th ed.)

Petersen, Sandra H., i Donna S. Wittmer. Endless Opportunities for Infant and Toddler Curriculum: A Relationship-based Approach. Second edition. Boston: Pearson Education, 2013.

Cita MLA (9th ed.)

Petersen, Sandra H., i Donna S. Wittmer. Endless Opportunities for Infant and Toddler Curriculum: A Relationship-based Approach. Second edition. Pearson Education, 2013.