Yes. As page 22 of the MLA Handbook notes, the use of et al. for three or more authors extends to other types of creators and contributors. For a source that has three or more translators, give only the name of the first translator and follow it with et al.
Balibar, Étienne. Politics and the Other Scene. Translated by Christine Jones et al., Verso, 2002.
Published 27 July 2016