APA (7th ed.) Citation

Roberts, H., & Robinson, G. (1998). ISO 14001 EMS implementation handbook / Hewitt Roberts & Gary Robinson. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Roberts, Hewitt, and Gary Robinson. ISO 14001 EMS Implementation Handbook / Hewitt Roberts & Gary Robinson. Oxford: Butterworth-Heinemann, 1998.

MLA (9th ed.) Citation

Roberts, Hewitt, and Gary Robinson. ISO 14001 EMS Implementation Handbook / Hewitt Roberts & Gary Robinson. Butterworth-Heinemann, 1998.

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