APA (7th ed.) Citation

Leyendecker, J. C., & Rockwell, N. (1975). The J. C. Leyendecker Poster book. Watson-Guptill Publications.

Chicago Style (17th ed.) Citation

Leyendecker, J. C., and Norman Rockwell. The J. C. Leyendecker Poster Book. New York: Watson-Guptill Publications, 1975.

MLA (9th ed.) Citation

Leyendecker, J. C., and Norman Rockwell. The J. C. Leyendecker Poster Book. Watson-Guptill Publications, 1975.