APA引文

Douglas, M. (1996). Natural symbols: Explorations in cosmology. Routledge.

Chicago Style (17th ed.) Citation

Douglas, Mary. Natural Symbols: Explorations in Cosmology. London ; New York: Routledge, 1996.

MLA引文

Douglas, Mary. Natural Symbols: Explorations in Cosmology. Routledge, 1996.

警告：這些引文格式不一定是100％准確.