APA引文

Arno, S. F., & Fiedler, C. E. (2020). Douglas fir: The story of the West's most remarkable tree. Mountaineers Books.

Chicago Style (17th ed.) Citation

Arno, Stephen F., and Carl E. Fiedler. Douglas Fir: The Story of the West's Most Remarkable Tree. Seattle, WA: Mountaineers Books, 2020.

MLA引文

Arno, Stephen F., and Carl E. Fiedler. Douglas Fir: The Story of the West's Most Remarkable Tree. Mountaineers Books, 2020.

警告：這些引文格式不一定是100％准確.