APA (7th ed.) Citation

Hills, R. M. (1966). Philadelphia's flag of protest. Lakeside Press.

Chicago Style (17th ed.) Citation

Hills, Ratcliffe Mellen. Philadelphia's Flag of Protest. West Palm Beach, FL: Lakeside Press, 1966.

MLA (9th ed.) Citation

Hills, Ratcliffe Mellen. Philadelphia's Flag of Protest. Lakeside Press, 1966.