APA (7th ed.) Citation

Coops, H. L. (1950). Health education in elementary schools: Activities, materials, methods. Barnes.

Chicago Style (17th ed.) Citation

Coops, Helen Leslie. Health Education in Elementary Schools: Activities, Materials, Methods. New York: Barnes, 1950.

MLA (9th ed.) Citation

Coops, Helen Leslie. Health Education in Elementary Schools: Activities, Materials, Methods. Barnes, 1950.