Cita APA (7th ed.)

Treu, U. (1981). Physiologus. Union-Verlag.

Cita Chicago (17th ed.)

Treu, Ursula. Physiologus. Berlin: Union-Verlag, 1981.

Cita MLA (8th ed.)

Treu, Ursula. Physiologus. Union-Verlag, 1981.