APA (7th ed.) Citation

de Grahl, W. (1987). The grey parrot. T.F.H. Publications,Inc..

Chicago Style (17th ed.) Citation

de Grahl, Wolfgang. The Grey Parrot. New Jersey: T.F.H. Publications,Inc., 1987.

MLA (9th ed.) Citation

de Grahl, Wolfgang. The Grey Parrot. T.F.H. Publications,Inc., 1987.

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