APA (7. basım) Alıntı

Grabau, A. W. (1931). Devonian Brachiopoda of China. Geological Survey of China.

Chicago Style (17. basım) Atıf

Grabau, Amadeus W. Devonian Brachiopoda of China. Peiping (Peking): Geological Survey of China, 1931.

MLA (8th ed.) Atıf

Grabau, Amadeus W. Devonian Brachiopoda of China. Geological Survey of China, 1931.