APA

Blumley A., . (1970). Twin: a novel. New York: Stein and Day.

Chicago

Blumley Andrew, . 1970. Twin: a novel. New York: Stein and Day.

Harvard

Blumley A., . (1970). Twin: a novel. New York: Stein and Day.

MLA

Blumley Andrew, . Twin: a novel. New York: Stein and Day. 1970.