APA
Rasmussen F., . (1971). Man & his environment. Boston: Houghton Mifflin Company.
Chicago
Rasmussen Frederick, . 1971. Man & his environment. Boston: Houghton Mifflin Company.
Harvard
Rasmussen F., . (1971). Man & his environment. Boston: Houghton Mifflin Company.
MLA
Rasmussen Frederick, . Man & his environment. Boston: Houghton Mifflin Company. 1971.