Não informado. (2011). Memoirs of the California Academy of Sciences. California Academy of Sciences.
Chicago-referens (17:e uppl.)Não informado. Memoirs of the California Academy of Sciences. San Francisco, Calif: California Academy of Sciences, 2011.
MLA-referens (8:e uppl.)Não informado. Memoirs of the California Academy of Sciences. California Academy of Sciences, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.