Evans, H. E., & O'Neill, K. M. (2007). The sand wasps: Natural history and behavior. Harvard University Press.

Evans, Howard Ensign, and Kevin M. O'Neill. The Sand Wasps: Natural History and Behavior. Cambridge, Mass.: Harvard University Press, 2007.

Evans, Howard Ensign, and Kevin M. O'Neill. The Sand Wasps: Natural History and Behavior. Harvard University Press, 2007.