APA (7th ed.) Citation

Jacobson, T. E., & Vallely, J. R. (1992). A Half-Built Bridge: The Unfinished Work of Bibliographic Instruction.

Chicago Style (17th ed.) Citation

Jacobson, Trudi E., and John R. Vallely. A Half-Built Bridge: The Unfinished Work of Bibliographic Instruction. 1992.

MLA (9th ed.) Citation

Jacobson, Trudi E., and John R. Vallely. A Half-Built Bridge: The Unfinished Work of Bibliographic Instruction. 1992.