APA (7th ed.) Citation
Okey, J. R., & Piper, M. K. (Jul-Sep1976). A Strategy for Implementing a New Elementary Science Instruction Program. Science Education, 60(3), 331-338.
Chicago Style (17th ed.) Citation
Okey, James R., and Martha K. Piper. "A Strategy for Implementing a New Elementary Science Instruction Program." Science Education 60, no. 3 (Jul-Sep1976): 331-338.
MLA (9th ed.) Citation
Okey, James R., and Martha K. Piper. "A Strategy for Implementing a New Elementary Science Instruction Program." Science Education, vol. 60, no. 3, Jul-Sep1976, pp. 331-338.
Warning: These citations may not always be 100% accurate.