APA (7th ed.) Citation

Dunning, J. (2000). It had to be tough. Pentland.

Chicago Style (17th ed.) Citation

Dunning, James. It Had to Be Tough. Edinburgh: Pentland, 2000.

MLA (9th ed.) Citation

Dunning, James. It Had to Be Tough. Pentland, 2000.

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