Não informado. (1969). Insects of Virginia. Virginia State University, Polytechnic Institute, Research Division.
Style de citation Chicago (17e éd.)Não informado. Insects of Virginia. Blacksburg, Va: Virginia State University, Polytechnic Institute, Research Division, 1969.
Style de citation MLA (8e éd.)Não informado. Insects of Virginia. Virginia State University, Polytechnic Institute, Research Division, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.