APA (7th ed.) Citation

Pölking, F. (1979). Nationalpark Galapagos.

Chicago Style (17th ed.) Citation

Pölking, Fritz. Nationalpark Galapagos. 1979.

MLA (9th ed.) Citation

Pölking, Fritz. Nationalpark Galapagos. 1979.

Warning: These citations may not always be 100% accurate.