What does supra mean? Can it be used in APA style?
Supra means "above." Sometimes authors use it to refer to points they referred to earlier in their papers.
APA style does not use this method of referring to resources. Instead, you should give an in-text citation whenever you want to use information from a resource. APA does not use the terms ibid., op. cit., or infra. either.
For more information about APA style, see the APA Help guide.
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