APA (7th ed.) Citation

O'Brien, O. (2016). How to be an enterpriser. Oak Tree Press.

Chicago Style (17th ed.) Citation

O'Brien, Owen. How to Be an Enterpriser. [Cork, Ireland]: Oak Tree Press, 2016.

MLA (9th ed.) Citation

O'Brien, Owen. How to Be an Enterpriser. Oak Tree Press, 2016.

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