APA (7th ed.) Citation

Smith, W., Loynes, L., & Philippe, L. (1970). The Flag Book of the United States. Morrow.

Chicago Style (17th ed.) Citation

Smith, Whitney, Louis Loynes, and Lucien Philippe. The Flag Book of the United States. New York: Morrow, 1970.

MLA (8th ed.) Citation

Smith, Whitney, et al. The Flag Book of the United States. Morrow, 1970.