APA (7th ed.) Citation

(2011). Academic interlibrary loan benchmarks (2011 ed.). Primary Research Group.

Chicago Style (17th ed.) Citation

Academic Interlibrary Loan Benchmarks. 2011 ed. [New York, N.Y.?]: Primary Research Group, 2011.

MLA (9th ed.) Citation

Academic Interlibrary Loan Benchmarks. 2011 ed. Primary Research Group, 2011.