APA
Christopherson G. D., .The Engineer in the university. The English universities press ltd, london: .
Chicago
Christopherson G D, .The Engineer in the university. The English universities press ltd, london: .
Harvard
Christopherson G. D., .The Engineer in the university. The English universities press ltd, london: .
MLA
Christopherson G D, .The English universities press ltd, london: . .