APA (7th ed.) Citation

Wink, M. (2006). Obituary: Andreas J. Helbig (1957-2005). British birds, 99, .

Chicago Style (17th ed.) Citation

Wink, Michael. "Obituary: Andreas J. Helbig (1957-2005)." British Birds 99 (2006).

MLA (9th ed.) Citation

Wink, Michael. "Obituary: Andreas J. Helbig (1957-2005)." British Birds, vol. 99, 2006.

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