APA ציטוט

Sir Gavin de Beer. (1971). Homology, An Unsolved Problem. London: Oxford University Press.

Chicago Style Citation

Sir Gavin de Beer. Homology, An Unsolved Problem. London: Oxford University Press, 1971.

ציטוט MLA

Sir Gavin de Beer. Homology, An Unsolved Problem. London: Oxford University Press, 1971.