APA (7th ed.) Citation

Blough, G. O., & Schwartz, J. (1979). Elementary school science and how to teach it (6.ed.). Holt, Rinehart & Winston.

Chicago Style (17th ed.) Citation

Blough, Glenn Orlando, and Julius Schwartz. Elementary School Science and How to Teach It. 6.ed. New York: Holt, Rinehart & Winston, 1979.

MLA (9th ed.) Citation

Blough, Glenn Orlando, and Julius Schwartz. Elementary School Science and How to Teach It. 6.ed. Holt, Rinehart & Winston, 1979.