APA
Spear S. J., Spear S. J., . (2009). The high-velocity edge. New York: McGraw-Hill.
Chicago
Spear Steven J, Spear Steven J, . 2009. The high-velocity edge. New York: McGraw-Hill.
Harvard
Spear S. J., Spear S. J., . (2009). The high-velocity edge. New York: McGraw-Hill.
MLA
Spear Steven J, Spear Steven J, . The high-velocity edge. New York: McGraw-Hill. 2009.