SCIENCE IN CALIFORNIA'S ELEMENTARY SCHOOL PROGRAM.

MLA

Heffernan, Helen. “Science in California’s Elementary School Program.” Science Education, vol. 37, no. 4, Oct. 1953, pp. 223–25. EBSCOhost, https://doi.org/10.1002/sce.3730370403.

APA

Heffernan, H. (1953). Science in California’s Elementary School Program. Science Education, 37(4), 223–225. https://doi.org/10.1002/sce.3730370403

Chicago

Heffernan, Helen. 1953. “Science in California’s Elementary School Program.” Science Education 37 (4): 223–25. doi:10.1002/sce.3730370403.