Não informado. (1907). Proceedings of the California Academy of Sciences. California Academy of Sciences.
Chicago-viite (17. p.)Não informado. Proceedings of the California Academy of Sciences. San Francisco, Calif: California Academy of Sciences, 1907.
MLA-viite (8. p.)Não informado. Proceedings of the California Academy of Sciences. California Academy of Sciences, 1907.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.