APA Style

Lenferink, S. et al (2012). Journal of Public Procurement, Volume 12 Number 1, Spring 2012 (Volume 12 Number 1, Spring 2012). Boston: ASTD Press.

MLA Style

Lenferink, S.. et al. "Journal of Public Procurement, Volume 12 Number 1, Spring 2012". Volume 12 Number 1, Spring 2012 Boston: ASTD Press, 2012. Text.