Cita APA (7a ed.)

Langley, L. B. (1987). The Effects of a Credit Course in Bibliographic Instruction.

Cita Chicago Style (17a ed.)

Langley, Linda B. The Effects of a Credit Course in Bibliographic Instruction. 1987.

Cita MLA (9a ed.)

Langley, Linda B. The Effects of a Credit Course in Bibliographic Instruction. 1987.