Cita APA (7a ed.)

Beny, R., Vidal, G., Thwaite, A., Porter, P., & De Breffny, B. (1974). In Italy. Thames and Hudson.

Cita Chicago Style (17a ed.)

Beny, Roloff, Gore Vidal, Anthony Thwaite, Peter Porter, y Brian De Breffny. In Italy. London: Thames and Hudson, 1974.

Cita MLA (8a ed.)

Beny, Roloff, et al. In Italy. Thames and Hudson, 1974.