APA (7th ed.) Citation

Twombly, R. C. (1986). Louis Sullivan: His life and work. Viking.

Chicago Style (17th ed.) Citation

Twombly, Robert C. Louis Sullivan: His Life and Work. New York, N.Y., U.S.A: Viking, 1986.

MLA (9th ed.) Citation

Twombly, Robert C. Louis Sullivan: His Life and Work. Viking, 1986.