APA

Blume J., .Summer sisters. New York, N.Y: Delacorte Press.

Chicago

Blume Judy, .Summer sisters. New York, N.Y: Delacorte Press.

Harvard

Blume J., .Summer sisters. New York, N.Y: Delacorte Press.

MLA

Blume Judy, .New York, N.Y: Delacorte Press. .