Cita APA (7a ed.)
Gelletly, L. (2007). Ecological issues. Mason Crest Publishers.
Cita Chicago Style (17a ed.)
Gelletly, LeeAnne. Ecological Issues. Philadelphia: Mason Crest Publishers, 2007.
Cita MLA (9a ed.)
Gelletly, LeeAnne. Ecological Issues. Mason Crest Publishers, 2007.
Precaución: Estas citas no son 100% exactas.