APA (7. basım) Alıntı

Nicholson, B. E. (1975). The Oxford book of trees. Oxford University Press.

Chicago Style (17. basım) Atıf

Nicholson, Barbara Evelyn. The Oxford Book of Trees. Oxford: Oxford University Press, 1975.

MLA (9th ed.) Atıf

Nicholson, Barbara Evelyn. The Oxford Book of Trees. Oxford University Press, 1975.