APA (7th ed.) Citation

Embuido, A. M., Azucena, R. N., & Davis, G. L. (1991). Engineering aid 3 (1991 ed., Sept. 1991.). The Activity.

Chicago Style (17th ed.) Citation

Embuido, Andres M., Reynaldo N. Azucena, and Gary L. Davis. Engineering Aid 3. 1991 ed., Sept. 1991. [Pensacola, Fla.]: The Activity, 1991.

MLA (9th ed.) Citation

Embuido, Andres M., et al. Engineering Aid 3. 1991 ed., Sept. 1991. The Activity, 1991.