APA
Eiffert S. D., . (1999). Cross-train your brain : a mental fitness program for maximizing creativity and achieving success. New York, N.Y: AMACOM.
Chicago
Eiffert Stephen D, . 1999. Cross-train your brain : a mental fitness program for maximizing creativity and achieving success. New York, N.Y: AMACOM.
Harvard
Eiffert S. D., . (1999). Cross-train your brain : a mental fitness program for maximizing creativity and achieving success. New York, N.Y: AMACOM.
MLA
Eiffert Stephen D, . Cross-train your brain : a mental fitness program for maximizing creativity and achieving success. New York, N.Y: AMACOM. 1999.