APA citiranje

Nicholson, B. E. (1966). The Oxford book of flowerless plants. Oxford University Press.

Chicago Style (17th ed.) Citation

Nicholson, Barbara Evelyn. The Oxford Book of Flowerless Plants. London: Oxford University Press, 1966.

MLA citiranje

Nicholson, Barbara Evelyn. The Oxford Book of Flowerless Plants. Oxford University Press, 1966.