Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.