APA (7th ed.) Citation

Tyagi, A. P. (1987). Introduction to palaeontology: (for university zoology and geology students) (2nd rev. ed.). S. Chand & Company Ltd.

Chicago Style (17th ed.) Citation

Tyagi, A. P. Introduction to Palaeontology: (for University Zoology and Geology Students). 2nd rev. ed. New Delhi: S. Chand & Company Ltd, 1987.

MLA (9th ed.) Citation

Tyagi, A. P. Introduction to Palaeontology: (for University Zoology and Geology Students). 2nd rev. ed. S. Chand & Company Ltd, 1987.