APA引文

Hugo, N. R., & Llewellyn, R. J. (2014). Trees up close: The beauty of bark, leaves, flowers, and seeds. Timber Press.

Chicago Style (17th ed.) Citation

Hugo, Nancy R., and Robert J. Llewellyn. Trees Up Close: The Beauty of Bark, Leaves, Flowers, and Seeds. Portland: Timber Press, 2014.

MLA引文

Hugo, Nancy R., and Robert J. Llewellyn. Trees Up Close: The Beauty of Bark, Leaves, Flowers, and Seeds. Timber Press, 2014.

警告：這些引文格式不一定是100％准確.