APA (7th ed.) Citation

Poultry Clubs of Great Britain, May, C., & Hawksworth, D. (1982). British poultry standards (4thed.). Butterworth Scientific.

Chicago Style (17th ed.) Citation

Poultry Clubs of Great Britain, C.G May, and David Hawksworth. British Poultry Standards. 4thed. London: Butterworth Scientific, 1982.

MLA (9th ed.) Citation

Poultry Clubs of Great Britain, et al. British Poultry Standards. 4thed. Butterworth Scientific, 1982.