Zirkus Nock.

MLA

Huber, Ursula, and Celestino Piatti. Zirkus Nock. Zurich: Artemis, 1967.

APA

Huber, U., & Piatti, C. (1967). Zirkus Nock. Zurich: Artemis.

Chicago

Huber, Ursula, and Celestino Piatti. Zirkus Nock. Zurich: Artemis, 1967.