APA引文

Crawford, H. (1927). Sakakawea. s.n..

Chicago Style (17th ed.) Citation

Crawford, Helen. Sakakawea. [Bismarck? N.D.: s.n., 1927.

MLA引文

Crawford, Helen. Sakakawea. s.n., 1927.

警告：這些引文格式不一定是100％准確.