APA (7th ed.) Citation

Schultz, D. O. (1978). Principles in physical security. Gulf Publ.

Chicago Style (17th ed.) Citation

Schultz, Donald O. Principles in Physical Security. Houston [u.a.]: Gulf Publ, 1978.

MLA (9th ed.) Citation

Schultz, Donald O. Principles in Physical Security. Gulf Publ, 1978.

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