Soudain... Une ville! They came to a city.

MLA

Priestley, John Boynton. Soudain... Une Ville! They Came to a City. Paris, 1970.

APA

Priestley, J. Boynton. (1970). Soudain... Une ville! They came to a city. Paris.

Chicago

Priestley, John Boynton Soudain... Une Ville! They Came to a City. Paris, 1970.