Cita APA (7th ed.)

Hall, R. D., & Townsend, L. H. (1977). The blow flies of Virginia: Diptera: calliphoridae. Virginia Polytechnic Institute and state University.

Cita Chicago (17th ed.)

Hall, Robert D., i Lee H. Townsend. The Blow Flies of Virginia: Diptera: Calliphoridae. Blacksburg: Virginia Polytechnic Institute and state University, 1977.

Cita MLA (9th ed.)

Hall, Robert D., i Lee H. Townsend. The Blow Flies of Virginia: Diptera: Calliphoridae. Virginia Polytechnic Institute and state University, 1977.