APA引文

Hughes, D. R., & Piper, F. C. (1973). Projective planes. Springer-Verlag.

Chicago Edition Citation

Hughes, D. R., and F. C. Piper. Projective Planes. New York: Springer-Verlag, 1973.

MLA引文

Hughes, D. R., and F. C. Piper. Projective Planes. Springer-Verlag, 1973.

警告：這些引文格式不一定是100％准確.