APA Citation

Owens, R. M. (1973). British Ordovician and Silurian Proetidae (Trilobita). Palaeontographical Society.

MLA Citation

Owens, R. M. British Ordovician and Silurian Proetidae (Trilobita). Palaeontographical Society, 1973.

Warning: These citations have been automatically generated and may not always be 100% accurate..