APA-viite (7. p.)
Henry, L. D. (1991). Zig-zag-and-swirl: Alfred W. Lawson's quest for greatness. University of Iowa Press.
Chicago-viite (17. p.)
Henry, Lyell D. Zig-zag-and-swirl: Alfred W. Lawson's Quest for Greatness. Iowa City: University of Iowa Press, 1991.
MLA-viite (9. p.)
Henry, Lyell D. Zig-zag-and-swirl: Alfred W. Lawson's Quest for Greatness. University of Iowa Press, 1991.
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