Cita APA (7a ed.)

Chappell, W., & Kates, A. H. (1963). Chemical Weed Control in Non-Bearning Apple Orchards. Virginia Polytechnic Institute. Agricultural Extension Service.

Cita Chicago Style (17a ed.)

Chappell, W., y A. H. Kates. Chemical Weed Control in Non-Bearning Apple Orchards. Virginia: Virginia Polytechnic Institute. Agricultural Extension Service, 1963.

Cita MLA (9a ed.)

Chappell, W., y A. H. Kates. Chemical Weed Control in Non-Bearning Apple Orchards. Virginia Polytechnic Institute. Agricultural Extension Service, 1963.