APA (7th ed.) Citation

Smith, M. H., & Prescott, C. S. (1979). Our earth (Teacher's edition.). The Fideler Company.

Chicago Style (17th ed.) Citation

Smith, Marion Hagens, and Carol S. Prescott. Our Earth. Teacher's edition. Grand Rapids, Michigan Toronto, Canada: The Fideler Company, 1979.

MLA (9th ed.) Citation

Smith, Marion Hagens, and Carol S. Prescott. Our Earth. Teacher's edition. The Fideler Company, 1979.