एपीए उद्धरण

Heinzelman, O. H., & Smith, R. H. (1965). World regional geography (2nd ed.). Prentice-Hall of India.

शिकागो स्टाइल उद्धरण

Heinzelman, Oliver H., और R.M. High Smith. World Regional Geography. 2nd ed. New Delhi: Prentice-Hall of India, 1965.

एमएलए उद्धरण

Heinzelman, Oliver H., और R.M. High Smith. World Regional Geography. 2nd ed. Prentice-Hall of India, 1965.