Cita APA (7th ed.)

Aiyengar, N. K. N. (1996). An Introduction to Invertebrate Palaeontology. Vikas Publishing House.

Cita Chicago (17th ed.)

Aiyengar, N. K. N. An Introduction to Invertebrate Palaeontology. New Delhi: Vikas Publishing House, 1996.

Cita MLA (9th ed.)

Aiyengar, N. K. N. An Introduction to Invertebrate Palaeontology. Vikas Publishing House, 1996.