APA (7th ed.) Citation

International Ornithological Congress Uppsala & Hörstadius, S. (1951). Proceedings.

Chicago Style (17th ed.) Citation

International Ornithological Congress Uppsala and Sven Hörstadius. Proceedings. 1951.

MLA (9th ed.) Citation

International Ornithological Congress Uppsala and Sven Hörstadius. Proceedings. 1951.

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