APA (7th ed.) Citation

Personalia. (2014). 50th birthday of Ralph Kenna. Condensed Matter Physics.

Chicago Style (17th ed.) Citation

Personalia. "50th Birthday of Ralph Kenna." Condensed Matter Physics 2014.

MLA (8th ed.) Citation

Personalia. "50th Birthday of Ralph Kenna." Condensed Matter Physics, 2014.

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