APA (7th ed.) Citation

Townsend, C. (1985). PFS, software made easy. Osborne/McGraw-Hill.

Chicago Style (17th ed.) Citation

Townsend, Carl. PFS, Software Made Easy. Berkeley, Calif: Osborne/McGraw-Hill, 1985.

MLA (9th ed.) Citation

Townsend, Carl. PFS, Software Made Easy. Osborne/McGraw-Hill, 1985.