APA (7th ed.) Citation

Lipparini, P. (2019). Day's Theorem is sharp for $n$ even.

Chicago Style (17th ed.) Citation

Lipparini, Paolo. Day's Theorem Is Sharp for $n$ Even. 2019.

MLA (9th ed.) Citation

Lipparini, Paolo. Day's Theorem Is Sharp for $n$ Even. 2019.

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