APA Citation

Rickards, B. (1970). The Llandovery (Silurian) graptolites of the Howgill Fells, Northern England. Palaeontographical Society.

MLA Citation

Rickards, Barrie. The Llandovery (Silurian) Graptolites of the Howgill Fells, Northern England. Palaeontographical Society, 1970.

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