APA (7th ed.) Citation

Engel, K. (1997). Sperner theory (1. publ.). Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Engel, Konrad. Sperner Theory. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1997.

MLA (9th ed.) Citation

Engel, Konrad. Sperner Theory. 1. publ. Cambridge Univ. Press, 1997.

Warning: These citations may not always be 100% accurate.