APA (7th ed.) Citation

Gega, P. C., Gega, P. C. S. i. e. e., & Gega, P. C. C. a. e. i. e. s. s. (1994). How to teach elementary school science (2nd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Gega, Peter C., Peter C. Science in elementary education Gega, and Peter C. Concepts and experiences in elementary school science Gega. How to Teach Elementary School Science. 2nd ed. New York: Macmillan, 1994.

MLA (9th ed.) Citation

Gega, Peter C., et al. How to Teach Elementary School Science. 2nd ed. Macmillan, 1994.