APA (7th ed.) Citation

Clarke, J. M., & Ruedemann, R. (1912). The Eurypterida of New York. New York State Education Dep.

Chicago Style (17th ed.) Citation

Clarke, John M., and Rudolf Ruedemann. The Eurypterida of New York. Albany: New York State Education Dep, 1912.

MLA (9th ed.) Citation

Clarke, John M., and Rudolf Ruedemann. The Eurypterida of New York. New York State Education Dep, 1912.