APA (7th ed.) Citation

(1980). A conjecture concerning the existence of certain combinatorial designs.

Chicago Style (17th ed.) Citation

A Conjecture Concerning the Existence of Certain Combinatorial Designs. 1980.

MLA (8th ed.) Citation

A Conjecture Concerning the Existence of Certain Combinatorial Designs. 1980.

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