APA (7th ed.) Citation

Casner, M. B., & Gabriel, R. H. (1934). Exploring American history. Harcourt, Brace and Co..

Chicago Style (17th ed.) Citation

Casner, Mabel B., and Ralph Henry Gabriel. Exploring American History. New York : Chicago: Harcourt, Brace and Co., 1934.

MLA (8th ed.) Citation

Casner, Mabel B., and Ralph Henry Gabriel. Exploring American History. Harcourt, Brace and Co., 1934.