APA (7th ed.) Citation

Parnell, J., Cullen, E. L., Webb, D. A., & Curtis, T. (2011). Webb's an Irish flora ([8th ed.].). Cork University Press.

Chicago Style (17th ed.) Citation

Parnell, John, Elaine L. Cullen, D. A. Webb, and Tom Curtis. Webb's an Irish Flora. [8th ed.]. Cork: Cork University Press, 2011.

MLA (9th ed.) Citation

Parnell, John, et al. Webb's an Irish Flora. [8th ed.]. Cork University Press, 2011.