APA (7th ed.) Citation

Gilbert, W. H. (1944). Peoples of India. Smithsonian Inst.

Chicago Style (17th ed.) Citation

Gilbert, William Harlen. Peoples of India. Washington: Smithsonian Inst, 1944.

MLA (9th ed.) Citation

Gilbert, William Harlen. Peoples of India. Smithsonian Inst, 1944.