Cita APA (7a ed.)

Bauer,Ernst W. (1981). BiologieKolleg. Cornelsen-Velhagen & Klasing.

Cita Chicago Style (17a ed.)

Bauer,Ernst W. BiologieKolleg. Berlin - ALEM: Cornelsen-Velhagen & Klasing, 1981.

Cita MLA (8a ed.)

Bauer,Ernst W. BiologieKolleg. Cornelsen-Velhagen & Klasing, 1981.