APA引文

Poland, U. (1988). World directory of biological and medical sciences libraries. K.G. Saur.

芝加哥风格引文

Poland, Ursula. World Directory of Biological and Medical Sciences Libraries. München ; New York: K.G. Saur, 1988.

MLA引文

Poland, Ursula. World Directory of Biological and Medical Sciences Libraries. K.G. Saur, 1988.

警告：这些引文格式不一定是100％准确.