APA引文

Spiegel, M. (1969). Real Variables. McGraw Hill Book company.

Chicago Edition Citation

Spiegel, M.R. Real Variables. New York: McGraw Hill Book company, 1969.

MLA引文

Spiegel, M.R. Real Variables. McGraw Hill Book company, 1969.

警告：這些引文格式不一定是100％准確.