APA (7th ed.) Citation

Eggers, O. R., & Crocker, W. H. (1922). Sketches of early American architecture. The American architect.

Chicago Style (17th ed.) Citation

Eggers, Otto R., and William H. Crocker. Sketches of Early American Architecture. New York: The American architect, 1922.

MLA (9th ed.) Citation

Eggers, Otto R., and William H. Crocker. Sketches of Early American Architecture. The American architect, 1922.