May, P., 2006. Freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 pages. Rerum Causae, 1(1), pp.55–56.

May P. Freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 pages. Rerum Causae. 2006;1(1):55–6.

May, P. (2006). Freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 pages. Rerum Causae, 1(1), 55–56.

1. May P. Freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 pages. Rerum Causae. 2006;1(1):55-56.

May P, ‘freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 Pages’ (2006) 1 Rerum Causae 55

May, Peter. 2006. “freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 Pages”. Rerum Causae 1 (1): 55–56.

May, Peter. “freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 Pages”. Rerum Causae 1, no. 1 (2006): 55–56.

May, P. “Freakonomics, Steven D. Levitt & Stephen J. Dubner, Harper Collins, New York, 2005. 242 pages”. Rerum Causae, vol. 1, no. 1, 2006, pp. 55–56.