APA-Zitierstil (7. Ausg.)

Hayward, P. J., & Ryland, J. S. (1979). British ascophoran bryozoans: Keys and notes for the identification of the species. Acad. Pr.

Chicago-Zitierstil (17. Ausg.)

Hayward, Peter J., und John S. Ryland. British Ascophoran Bryozoans: Keys and Notes for the Identification of the Species. London u.a: Acad. Pr, 1979.

MLA-Zitierstil (9. Ausg.)

Hayward, Peter J., und John S. Ryland. British Ascophoran Bryozoans: Keys and Notes for the Identification of the Species. Acad. Pr, 1979.