Cita APA (7a ed.)

Chhatwal, G. (1994). Encyclopaedic history of science and technology. Anmol.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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