APA (7th ed.) Citation

Gega, P. C. (1970). Science in elementary education (2. ed.). Wiley.

Chicago Style (17th ed.) Citation

Gega, Peter C. Science in Elementary Education. 2. ed. New York u.a: Wiley, 1970.

MLA (9th ed.) Citation

Gega, Peter C. Science in Elementary Education. 2. ed. Wiley, 1970.