Cita APA (7a ed.)

Braun, G., Hogenberg, F., & Pagani, L. (1990). Cities of the world: Europe and America. Magna Books.

Cita Chicago Style (17a ed.)

Braun, Georg, Franz Hogenberg, y Lelio Pagani. Cities of the World: Europe and America. Leicester: Magna Books, 1990.

Cita MLA (9a ed.)

Braun, Georg, et al. Cities of the World: Europe and America. Magna Books, 1990.