Cita APA (7th ed.)

Blumenfeld, J. (1969). The sun is up. Heinemann.

Cita Chicago (17th ed.)

Blumenfeld, Josephine. The Sun Is Up. London: Heinemann, 1969.

Cita MLA (8th ed.)

Blumenfeld, Josephine. The Sun Is Up. Heinemann, 1969.