APA (7th ed.) Citation

Coppens de Houthulst, W. (1980). Days on the wing. Arno Press.

Chicago Style (17th ed.) Citation

Coppens de Houthulst, Willy. Days on the Wing. New York: Arno Press, 1980.

MLA (9th ed.) Citation

Coppens de Houthulst, Willy. Days on the Wing. Arno Press, 1980.