Citação norma APA

Chopra, J., & Sen, S. M. (2001). Unique quintessence of sociology for UPSC civil services preliminary examinations, P.C.S., S.S.C., universities and other competitive examinations (25th ed.). Unique Publishers.

Citação norma Chicago

Chopra, J.K, and S. Mansukhani Sen. Unique Quintessence of Sociology for UPSC Civil Services Preliminary Examinations, P.C.S., S.S.C., Universities and Other Competitive Examinations. 25th ed. New Delhi: Unique Publishers, 2001.

Citação norma MLA

Chopra, J.K, and S. Mansukhani Sen. Unique Quintessence of Sociology for UPSC Civil Services Preliminary Examinations, P.C.S., S.S.C., Universities and Other Competitive Examinations. 25th ed. Unique Publishers, 2001.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.