Little, E. L. (1979). Forest trees of the United States and Canada: And how to identify them. Dover.
Цитирование в стиле Чикаго (17-е изд.)Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Nueva York: Dover, 1979.
Цитирование MLA (9-е изд.)Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Dover, 1979.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.