Tohutoro APA (7th ed.)
Sarton, M. (1984). At seventy: A journal. W.W. Norton.
Tohutoru Kātū Chicago (17th ed.)
Sarton, May. At Seventy: A Journal. New York: W.W. Norton, 1984.
Tohutoro MLA (9th ed.)
Sarton, May. At Seventy: A Journal. W.W. Norton, 1984.
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