APA (7th ed.) Citation

Hurd, P. D., & Gallagher, J. J. (1968). New directions in elementary science teaching. Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

Hurd, Paul DeHart, and James Joseph Gallagher. New Directions in Elementary Science Teaching. Belmont, Calif.: Wadsworth Pub. Co, 1968.

MLA (8th ed.) Citation

Hurd, Paul DeHart, and James Joseph Gallagher. New Directions in Elementary Science Teaching. Wadsworth Pub. Co, 1968.