APA (7th ed.) Citation

Ploghoft, M. E., & Shuster, A. H. (1971). Social science education in the elementary school. Merrill.

Chicago Style (17th ed.) Citation

Ploghoft, Milton E., and Albert Henry Shuster. Social Science Education in the Elementary School. Columbus, Ohio: Merrill, 1971.

MLA (9th ed.) Citation

Ploghoft, Milton E., and Albert Henry Shuster. Social Science Education in the Elementary School. Merrill, 1971.