APA (7th ed.) Citation

Leu, J. F. Vögel Europa’s Schwan. Cygnus. 4 Arten Gans. Anser. 10 Arten - SuStB Augsburg Cod NV 4 -31.

Chicago Style (17th ed.) Citation

Leu, Johann Friedrich. Vögel Europa’s Schwan. Cygnus. 4 Arten Gans. Anser. 10 Arten - SuStB Augsburg Cod NV 4 -31.

MLA (9th ed.) Citation

Leu, Johann Friedrich. Vögel Europa’s Schwan. Cygnus. 4 Arten Gans. Anser. 10 Arten - SuStB Augsburg Cod NV 4 -31.

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