APA引文

Gertsch, W. J. (1979). American spiders (2d ed.). Van Nostrand Reinhold Co..

芝加哥风格引文

Gertsch, Willis John. American Spiders. 2d ed. New York: Van Nostrand Reinhold Co., 1979.

MLA引文

Gertsch, Willis John. American Spiders. 2d ed. Van Nostrand Reinhold Co., 1979.