APA (7th ed.) Citation

Duffy, J. T. (1977). Two Alike: A study of twins in american fiction.

Chicago Style (17th ed.) Citation

Duffy, James Thomas. Two Alike: A Study of Twins in American Fiction. 1977.

MLA (9th ed.) Citation

Duffy, James Thomas. Two Alike: A Study of Twins in American Fiction. 1977.

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