MLA

Botton, Mark L, et al. Biology and Conservation of Horseshoe Crabs. Springer US, 2009.

APA

Botton, M. L, Smith, D. R, Tanacredi, J. T, & Smith, D. (2009). Biology and Conservation of Horseshoe Crabs. Springer US.

Chicago

Botton, Mark L., David R Smith, John T Tanacredi, and David Smith. Biology and Conservation of Horseshoe Crabs. : Springer US, 2009.