Cita APA (7a ed.)

Twombly, R. (1986). Louis Sullivan: His life and work. University of Chicago Press.

Cita Chicago Style (17a ed.)

Twombly, Robert. Louis Sullivan: His Life and Work. Chicago: University of Chicago Press, 1986.

Cita MLA (9a ed.)

Twombly, Robert. Louis Sullivan: His Life and Work. University of Chicago Press, 1986.