Παραπομπή APA

Huxley, S. J., & Kettlewell, H. B. D. (1965). Charles Darwin and his world. New York: Viking Press.

Παραπομπή Chicago Style

Huxley, Sir Julian, and H. B. D. Kettlewell. Charles Darwin and His World. New York: Viking Press, 1965.

Παραπομπή MLA

Huxley, Sir Julian, and H. B. D. Kettlewell. Charles Darwin and His World. New York: Viking Press, 1965.

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