Tohutoro APA (7th ed.)

Chhatwal, G. (1994). Encyclopaedic history of science and technology.: History of Biology. Anmol publications.

Tohutoru Kātū Chicago (17th ed.)

Chhatwal, G.R. Encyclopaedic History of Science and Technology.: History of Biology. New Delhi: Anmol publications, 1994.

Tohutoro MLA (9th ed.)

Chhatwal, G.R. Encyclopaedic History of Science and Technology.: History of Biology. Anmol publications, 1994.