In the Footsteps of Columbus
MLA
O'Sullivan, and John O'Sullivan. In the Footsteps of Columbus. Springer International Publishing, 2016.
APA
O'Sullivan, O., & O'Sullivan, J. (2016). In the Footsteps of Columbus. Springer International Publishing.
Chicago
O'Sullivan, and John O'Sullivan. In the Footsteps of Columbus. : Springer International Publishing, 2016.
