APA (7th ed.) Citation

Simpson, D., & Callaghan, R. (2013). 1944 / nineteen forty four.

Chicago Style (17th ed.) Citation

Simpson, David, and Richard Callaghan. 1944 / Nineteen Forty Four. 2013.

MLA (9th ed.) Citation

Simpson, David, and Richard Callaghan. 1944 / Nineteen Forty Four. 2013.

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