APA (7th ed.) Citation

Barton, H., & Helfand, J. (1990). Harry Barton Interview 1.

Chicago Style (17th ed.) Citation

Barton, Harry, and Judith Helfand. Harry Barton Interview 1. 1990.

MLA (8th ed.) Citation

Barton, Harry, and Judith Helfand. Harry Barton Interview 1. 1990.

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