APA引文

Spencer, A. J. M. e. a. (1977). Engineering mathematics. Van Nostrand.

Chicago Edition Citation

Spencer, A J M et al.. Engineering Mathematics. New York: Van Nostrand, 1977.

MLA引文

Spencer, A J M et al.. Engineering Mathematics. Van Nostrand, 1977.

警告：這些引文格式不一定是100％准確.