APA (7th ed.) Citation

Engel, K. (1985). Sperner theory in partially ordered sets.

Chicago Style (17th ed.) Citation

Engel, Konrad. Sperner Theory in Partially Ordered Sets. 1985.

MLA (9th ed.) Citation

Engel, Konrad. Sperner Theory in Partially Ordered Sets. 1985.

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