APA (7th ed.) Citation

TYAGI,A.P. (1976). An Introduction to Palaeontology (2nd ed.). Chand and Company.

Chicago Style (17th ed.) Citation

TYAGI,A.P. An Introduction to Palaeontology. 2nd ed. New Delhi: Chand and Company, 1976.

MLA (9th ed.) Citation

TYAGI,A.P. An Introduction to Palaeontology. 2nd ed. Chand and Company, 1976.