APA (7th ed.) Citation

Hayward, P. J., & Ryland, J. S. (1979). British Ascophoran Bryozoans: Keys and notes for the identification of the species (1979.). Academic Press.

Chicago Style (17th ed.) Citation

Hayward, Peter J., and J. S. Ryland. British Ascophoran Bryozoans: Keys and Notes for the Identification of the Species. 1979. London [u.a.]: Academic Press, 1979.

MLA (9th ed.) Citation

Hayward, Peter J., and J. S. Ryland. British Ascophoran Bryozoans: Keys and Notes for the Identification of the Species. 1979. Academic Press, 1979.