BECK, A., BLEICHER, M. N., & CROWE, D. W. (1969). Excursions into mathematics. Worth pub.
芝加哥风格引文BECK, Anatole, Michael N. BLEICHER, 与 Donald W. CROWE. Excursions into Mathematics. Madison: Worth pub, 1969.
MLA引文BECK, Anatole, et al. Excursions into Mathematics. Worth pub, 1969.
警告：这些引文格式不一定是100％准确.