APA (7th ed.) Citation

Mayhew, S. A. (1996). A continuous ultrasonic scanner for lumber grading. [publisher not identified].

Chicago Style (17th ed.) Citation

Mayhew, Stephen Allison. A Continuous Ultrasonic Scanner for Lumber Grading. [Place of publication not identified]: [publisher not identified], 1996.

MLA (9th ed.) Citation

Mayhew, Stephen Allison. A Continuous Ultrasonic Scanner for Lumber Grading. [publisher not identified], 1996.