APA (7th ed.) Citation

Page, C. N. (1997). The ferns of Britain and Ireland (2. ed.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Page, Christopher N. The Ferns of Britain and Ireland. 2. ed. Cambridge: Cambridge Univ. Press, 1997.

MLA (9th ed.) Citation

Page, Christopher N. The Ferns of Britain and Ireland. 2. ed. Cambridge Univ. Press, 1997.