APA (7th ed.) Citation

Collins, M. E. (1972). Union to present day (1. publ.). Educational co. of Ireland.

Chicago Style (17th ed.) Citation

Collins, Mary E. Union to Present Day. 1. publ. Dublin: Educational co. of Ireland, 1972.

MLA (9th ed.) Citation

Collins, Mary E. Union to Present Day. 1. publ. Educational co. of Ireland, 1972.

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