APA (7th ed.) Citation
WESTON, C., & ET AL. (1998). OBSERVING FOR QUALITY. STATIONERY OFFICE.
Chicago Style (17th ed.) Citation
WESTON, C., and ET AL. OBSERVING FOR QUALITY. Londres: STATIONERY OFFICE, 1998.
MLA (9th ed.) Citation
WESTON, C., and ET AL. OBSERVING FOR QUALITY. STATIONERY OFFICE, 1998.
Warning: These citations may not always be 100% accurate.