Cita APA (7a ed.)

Hoo, J. J., & Green, W. B. (1998). Bearing Steels: Into the 21st century. ASTM.

Cita Chicago Style (17a ed.)

Hoo, Josep J.C, y Willard B. Green. Bearing Steels: Into the 21st Century. West Conshohocken, PA: ASTM, 1998.

Cita MLA (9a ed.)

Hoo, Josep J.C, y Willard B. Green. Bearing Steels: Into the 21st Century. ASTM, 1998.

Precaución: Estas citas no son 100% exactas.