Cita APA (7a ed.)

Nicholson, B., & Brightman, F. H. (1966). The Oxford book of flowerless plants: Ferns, fungi, mosses and liverworts, lichens, and seaweeds. Oxford University Press.

Cita Chicago Style (17a ed.)

Nicholson, Barbara, y Frank H. Brightman. The Oxford Book of Flowerless Plants: Ferns, Fungi, Mosses and Liverworts, Lichens, and Seaweeds. London: Oxford University Press, 1966.

Cita MLA (9a ed.)

Nicholson, Barbara, y Frank H. Brightman. The Oxford Book of Flowerless Plants: Ferns, Fungi, Mosses and Liverworts, Lichens, and Seaweeds. Oxford University Press, 1966.