APA (7th ed.) Citation

Hughes, D. R., & Piper, F. C. (1973). Projective planes (2η εκδ.). Springer-Verlag.

Chicago Style (17th ed.) Citation

Hughes, D. R., and F. C. Piper. Projective Planes. 2η εκδ. New York: Springer-Verlag, 1973.

MLA (9th ed.) Citation

Hughes, D. R., and F. C. Piper. Projective Planes. 2η εκδ. Springer-Verlag, 1973.