Cita APA

Sale, R. 1., & Sale, R. 1. (1991). Milan: Crowood travel guide. Wiltshire England: Crowwood.

Citación estilo Chicago

Sale, Richard 1946-, y Richard 1946- Sale. Milan: Crowood Travel Guide. Wiltshire England: Crowwood, 1991.

Cita MLA

Sale, Richard 1946-, y Richard 1946- Sale. Milan: Crowood Travel Guide. Wiltshire England: Crowwood, 1991.