APA Style

Montessori, M. et al (). Twos B: Langauge, Social and Practical Life Activities for Children From 24 to 36 months . : NAMC.

MLA Style

Montessori, Maria. et al. "Twos B: Langauge, Social and Practical Life Activities for Children From 24 to 36 months". : NAMC, . Text.