Cita APA (7th ed.)

Joos, M. (1967). The five clocks. Harcourt.

Cita Chicago (17th ed.)

Joos, Martin. The Five Clocks. New York: Harcourt, 1967.

Cita MLA (9th ed.)

Joos, Martin. The Five Clocks. Harcourt, 1967.