Cita APA (7a ed.)

Ackerman, J. S. (1987). The Architecture of Michelangelo. [s.n.].

Cita Chicago Style (17a ed.)

Ackerman, James Sloss. The Architecture of Michelangelo. Buenos Aires: [s.n.], 1987.

Cita MLA (9a ed.)

Ackerman, James Sloss. The Architecture of Michelangelo. [s.n.], 1987.