Douglas, D. (1959). Journal kept by David Douglas during his travels in North America, 1823-1827: Together with a particular description of thirty-three species of American oaks and eighteen species of Pinus, with appendices containing a list of the plants introduced by Douglas and an account of his death in 1834. Antiquarian Press.
Цитирование в стиле Чикаго (17-е изд.)Douglas, David. Journal Kept by David Douglas During His Travels in North America, 1823-1827: Together with a Particular Description of Thirty-three Species of American Oaks and Eighteen Species of Pinus, with Appendices Containing a List of the Plants Introduced by Douglas and an Account of His Death in 1834. London: Antiquarian Press, 1959.
Цитирование MLA (8-е изд.)Douglas, David. Journal Kept by David Douglas During His Travels in North America, 1823-1827: Together with a Particular Description of Thirty-three Species of American Oaks and Eighteen Species of Pinus, with Appendices Containing a List of the Plants Introduced by Douglas and an Account of His Death in 1834. Antiquarian Press, 1959.