Byars, B. C., & Coconis, C. (1970). The summer of the swans. Viking Press.
Chicago Style (17th ed.) CitationByars, Betsy Cromer, and Constantinos Coconis. The Summer of the Swans. New York: Viking Press, 1970.
MLA (8th ed.) CitationByars, Betsy Cromer, and Constantinos Coconis. The Summer of the Swans. Viking Press, 1970.
Warning: These citations may not always be 100% accurate.