APA (7th ed.) Citation

Walton, J. (1965). A great friendship, its origin and consequences. Birbal Sahni Institute of Palaeobotany.

Chicago Style (17th ed.) Citation

Walton, John. A Great Friendship, Its Origin and Consequences. Lucknow: Birbal Sahni Institute of Palaeobotany, 1965.

MLA (8th ed.) Citation

Walton, John. A Great Friendship, Its Origin and Consequences. Birbal Sahni Institute of Palaeobotany, 1965.