Cita APA (7th ed.)

Harrison, D. L. (1978). The circus is in town: A counting book. Western publishing.

Cita Chicago (17th ed.)

Harrison, David L. The Circus Is in Town: A Counting Book. New York: Western publishing, 1978.

Cita MLA (9th ed.)

Harrison, David L. The Circus Is in Town: A Counting Book. Western publishing, 1978.