Mackenzie's has published 71 scientific papers listed in the INSPIRE-HEP Literature Database. The most widely cited of them, "Viability of lattice perturbation theory" in Physical Review D 48 (5), pp. 2250–2264 (1993) has been cited 589 times by March 2009. The second most widely cited, "On the elimination of scale ambiguities in perturbative quantum chromodynamics " Physical Review D 28 (1), pp. 228–235 (1983) has been cited 406 times. Both papers are with Lepage, and the second also with Stan Brodsky.