APA (7th ed.) Citation

Breen, M. A helly number for unions of two boxes in R2. Wiley.

Chicago Style (17th ed.) Citation

Breen, Marilyn. A Helly Number for Unions of Two Boxes in R2. Wiley.

MLA (9th ed.) Citation

Breen, Marilyn. A Helly Number for Unions of Two Boxes in R2. Wiley.

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