MLA

Hammond, Paul. French Undressing : Naughty Postcards From 1900 to 1920. London: Jupiter Books, 1976.

APA

Hammond, P. (1976). French undressing : naughty postcards from 1900 to 1920. London: Jupiter Books.

Chicago

Hammond, Paul, French Undressing: Naughty Postcards From 1900 to 1920. London: Jupiter Books, 1976.