Ackerley, C., & Clipper, L. J. (1984). A companion to Under the volcano. Univ. of Brit. Columbia Press.
Chicago Style (17th ed.) CitationAckerley, Chris, and Lawrence Jon Clipper. A Companion to Under the Volcano. Vancouver: Univ. of Brit. Columbia Press, 1984.
MLA (9th ed.) CitationAckerley, Chris, and Lawrence Jon Clipper. A Companion to Under the Volcano. Univ. of Brit. Columbia Press, 1984.
Warning: These citations may not always be 100% accurate.