APA (7th ed.) Citation

Durer, A., & Schilling, E. (1949). Drawings and water colors. Harper.

Chicago Style (17th ed.) Citation

Durer, Albrecht, and Edmund Schilling. Drawings and Water Colors. New York: Harper, 1949.

MLA (9th ed.) Citation

Durer, Albrecht, and Edmund Schilling. Drawings and Water Colors. Harper, 1949.