APA (7th ed.) Citation

Holder, P., & Hawley, D. L. (1998). The executive protection professional's manual. Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Holder, Philip, and Donna Lea Hawley. The Executive Protection Professional's Manual. Boston: Butterworth-Heinemann, 1998.

MLA (8th ed.) Citation

Holder, Philip, and Donna Lea Hawley. The Executive Protection Professional's Manual. Butterworth-Heinemann, 1998.

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