APA (7th ed.) Citation

Pulford, G. W. (2007). High-security mechanical locks: An encyclopedic reference. Elsevier Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Pulford, Graham W. High-security Mechanical Locks: An Encyclopedic Reference. Amsterdam ; Boston: Elsevier Butterworth-Heinemann, 2007.

MLA (9th ed.) Citation

Pulford, Graham W. High-security Mechanical Locks: An Encyclopedic Reference. Elsevier Butterworth-Heinemann, 2007.