Cita APA

Ludvigsen, R. (1978). The trilobites Bathyurus and Eomonorachus from the Middle Ordovician of Oklahoma and their biofacies significance. Royal Ontario Museum.

Citación estilo Chicago

Ludvigsen, Rolf. The Trilobites Bathyurus and Eomonorachus from the Middle Ordovician of Oklahoma and Their Biofacies Significance. Toronto: Royal Ontario Museum, 1978.

Cita MLA

Ludvigsen, Rolf. The Trilobites Bathyurus and Eomonorachus from the Middle Ordovician of Oklahoma and Their Biofacies Significance. Royal Ontario Museum, 1978.

Warning: These citations may not always be 100% accurate.