Cita APA (7a ed.)

Hubbard, L. (2012). HORTICULTURE FOR A GREENER WORLD. Bridge publications.

Cita Chicago Style (17a ed.)

Hubbard, L.R. HORTICULTURE FOR A GREENER WORLD. USA: Bridge publications, 2012.

Cita MLA (9a ed.)

Hubbard, L.R. HORTICULTURE FOR A GREENER WORLD. Bridge publications, 2012.