APA (7th ed.) Citation

Nigam, A. K., Puri, P. D., & Gupta, V. K. (1989). Characterizations and analysis of block designs. John Wiley.

Chicago Style (17th ed.) Citation

Nigam, A. K., P. D. Puri, and Virendra K. Gupta. Characterizations and Analysis of Block Designs. Nueva York: John Wiley, 1989.

MLA (9th ed.) Citation

Nigam, A. K., et al. Characterizations and Analysis of Block Designs. John Wiley, 1989.