Cita APA (7th ed.)
Ozaki, K. (1931). Upper carboniferous Brachiopods from North China.
Cita Chicago (17th ed.)
Ozaki, Kinemon. Upper Carboniferous Brachiopods from North China. Shanghai, 1931.
Cita MLA (9th ed.)
Ozaki, Kinemon. Upper Carboniferous Brachiopods from North China. 1931.
Atenció: Aquestes cites poden no estar 100% correctes.