Holttum, R., & Enoch, I. (1991). Gardening in the tropics. Timber Press.
芝加哥风格引文Holttum, R.E, 与 Ivan Enoch. Gardening in the Tropics. Portland, Oregon: Timber Press, 1991.
MLA引文Holttum, R.E, 与 Ivan Enoch. Gardening in the Tropics. Timber Press, 1991.
警告：这些引文格式不一定是100％准确.