APA (7th ed.) Citation

Zaks, J. (1991). No nine neighborly tetrahedra exist. American Mathematical Society.

Chicago Style (17th ed.) Citation

Zaks, Joseph. No Nine Neighborly Tetrahedra Exist. Providence, R.I.: American Mathematical Society, 1991.

MLA (9th ed.) Citation

Zaks, Joseph. No Nine Neighborly Tetrahedra Exist. American Mathematical Society, 1991.

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