Cita APA (7a ed.)

Hughes, N. F. (1994). The enigma of angiosperm origins. Cambridge University Press.

Cita Chicago Style (17a ed.)

Hughes, Norman F. The Enigma of Angiosperm Origins. Cambridge [England] ; New York: Cambridge University Press, 1994.

Cita MLA (9a ed.)

Hughes, Norman F. The Enigma of Angiosperm Origins. Cambridge University Press, 1994.