APA
Pulsipher L. M. ., Geography, Goodwin C. M. & Pulsipher A. j. a. (2000). World regional geography. New York: W. H. Freeman and Co.
Chicago
Pulsipher Lydia M, Geography, Goodwin Conrad M and Pulsipher Alex jt author. 2000. World regional geography. New York: W. H. Freeman and Co.
Harvard
Pulsipher L. M. ., Geography, Goodwin C. M. and Pulsipher A. j. a. (2000). World regional geography. New York: W. H. Freeman and Co.
MLA
Pulsipher Lydia M, Geography, Goodwin Conrad M and Pulsipher Alex jt author. World regional geography. New York: W. H. Freeman and Co. 2000.