APA (7th ed.) Citation

Hallo, W. W. (2001). Polymnia and Clio.

Chicago Style (17th ed.) Citation

Hallo, William W. Polymnia and Clio. 2001.

MLA (8th ed.) Citation

Hallo, William W. Polymnia and Clio. 2001.

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