Cotter, A. C. (1947). Natural species: An essay in definition and classification. Weston College Press.
Chicago-стиль цитированияCotter, A. C. Natural Species: An Essay in Definition and Classification. Weston, Mass.: Weston College Press, 1947.
MLA-цитированиеCotter, A. C. Natural Species: An Essay in Definition and Classification. Weston College Press, 1947.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.