Cita APA (7a ed.)

Bahr, A. H. (1981). Book theft and library security systems: 1981 - 82. Knowledge Industry Publications.

Cita Chicago Style (17a ed.)

Bahr, Alice Harrison. Book Theft and Library Security Systems: 1981 - 82. White Plains, N. Y: Knowledge Industry Publications, 1981.

Cita MLA (8a ed.)

Bahr, Alice Harrison. Book Theft and Library Security Systems: 1981 - 82. Knowledge Industry Publications, 1981.