APA (7th ed.) Citation

Besterfield & O'Hagan. (1990). Techincal sketching: For engineers,technologists,and technicians (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Besterfield and O'Hagan. Techincal Sketching: For Engineers,technologists,and Technicians. 2nd ed. New Jersey: Prentice Hall, 1990.

MLA (9th ed.) Citation

Besterfield and O'Hagan. Techincal Sketching: For Engineers,technologists,and Technicians. 2nd ed. Prentice Hall, 1990.

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