APA (7th ed.) Citation

Ó C., S. (1929). Professor John Lacy O' Byrne Croke.

Chicago Style (17th ed.) Citation

Ó C., S. Professor John Lacy O' Byrne Croke. 1929.

MLA (9th ed.) Citation

Ó C., S. Professor John Lacy O' Byrne Croke. 1929.

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