APA (7th ed.) Citation

Krauss, R., & Simont, M. (1949). The happy day.: Pictures by Marc Simont. Harper.

Chicago Style (17th ed.) Citation

Krauss, Ruth, and Marc Simont. The Happy Day.: Pictures by Marc Simont. New York: Harper, 1949.

MLA (9th ed.) Citation

Krauss, Ruth, and Marc Simont. The Happy Day.: Pictures by Marc Simont. Harper, 1949.

Warning: These citations may not always be 100% accurate.