APA (7th ed.) Citation

Gupta, C. B., & Ratna, V. (1968). Statistical calculations (2nd ed.). Ram Prasad.

Chicago Style (17th ed.) Citation

Gupta, C. B., and V. Ratna. Statistical Calculations. 2nd ed. Agra: Ram Prasad, 1968.

MLA (9th ed.) Citation

Gupta, C. B., and V. Ratna. Statistical Calculations. 2nd ed. Ram Prasad, 1968.