APA Style

Gupta, S. et al (2011). International Journal of Procurement Management, Volume 4 No.4, 2011 (Volume 4 No.4, 2011). UK: Inderscience Enterprises.

MLA Style

Gupta, S.L.. et al. "International Journal of Procurement Management, Volume 4 No.4, 2011". Volume 4 No.4, 2011 UK: Inderscience Enterprises, 2011. Text.