APA (7th ed.) Citation

Woutersen, K. How many common cranes (Grus grus) winter in Spain and Portugal? Sociedad de Ciencias Aranzadi.

Chicago Style (17th ed.) Citation

Woutersen, Kees. How Many Common Cranes (Grus Grus) Winter in Spain and Portugal? Sociedad de Ciencias Aranzadi.

MLA (9th ed.) Citation

Woutersen, Kees. How Many Common Cranes (Grus Grus) Winter in Spain and Portugal? Sociedad de Ciencias Aranzadi.

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