APA (7th ed.) Citation

Heywood, T., & Leopold, C. (1993). Models of parallelism.

Chicago Style (17th ed.) Citation

Heywood, Todd, and Claudia Leopold. Models of Parallelism. Edinburgh, 1993.

MLA (9th ed.) Citation

Heywood, Todd, and Claudia Leopold. Models of Parallelism. 1993.

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