APA Style

Vasquez, J, A. et al (2013). STEM lesson essentials, grades 3-8 : integrating science, technology, engineering, and mathematics . Portsmouth, USA: Heinemann Library.

MLA Style

Vasquez, Jo, Anne. et al. "STEM lesson essentials, grades 3-8 : integrating science, technology, engineering, and mathematics". Portsmouth, USA: Heinemann Library, 2013. Text.