APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

De Grahl, W. The Grey Parrot. Neptune City, NJ: T.F.H. Publications, 1987.

MLA (9th ed.) Citation

De Grahl, W. The Grey Parrot. T.F.H. Publications, 1987.

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