Não informado. (1986). American Journal of Alternative Agriculture. Institute for Alternative Agriculture.
Cita Chicago Style (17a ed.)Não informado. American Journal of Alternative Agriculture. Greenbelt, Md: Institute for Alternative Agriculture, 1986.
Cita MLA (8a ed.)Não informado. American Journal of Alternative Agriculture. Institute for Alternative Agriculture, 1986.
Precaución: Estas citas no son 100% exactas.