APA (7th ed.) Citation

O'keefe, M., & Wong, P. K. On certain regular graphs of girth 5. Wiley.

Chicago Style (17th ed.) Citation

O'keefe, M., and P. K. Wong. On Certain Regular Graphs of Girth 5. Wiley.

MLA (9th ed.) Citation

O'keefe, M., and P. K. Wong. On Certain Regular Graphs of Girth 5. Wiley.

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