Cita APA (7a ed.)

Virginia Polytechnic Institute and State University & Virginia Agricultural Experiment Station. (1981). Bulletin. Virginia Polytechnic Institute and State University.

Cita Chicago Style (17a ed.)

Virginia Polytechnic Institute and State University y Virginia Agricultural Experiment Station. Bulletin. Blacksburg: Virginia Polytechnic Institute and State University, 1981.

Cita MLA (8a ed.)

Virginia Polytechnic Institute and State University y Virginia Agricultural Experiment Station. Bulletin. Virginia Polytechnic Institute and State University, 1981.