Cita APA (7th ed.)

Seifert, S. (1987). Leipziger Zoo. Brockhaus.

Cita Chicago (17th ed.)

Seifert, Siegfried. Leipziger Zoo. Leipzig: Brockhaus, 1987.

Cita MLA (8th ed.)

Seifert, Siegfried. Leipziger Zoo. Brockhaus, 1987.