This document lists and explains 13 common abbreviations and acronyms used in research: pub., publ., pubs. (published by, publication(s)), n.p. (no place of publication and/or no publisher given), rev. (revised by, revision, review, reviewed by), tr., trans. (translator, translation), viz. (namely), vol. (volume), ill. Illus. (illustration, illustrated), ibid (in the same place quoted above), p., pp. (page(s)), et al. (and others), APA (American Psychological Association), MLA (Modern Language Association), @ (copyright), ed., eds. (editor(s),