Cardwell, G. (1962). Twins of genius. N. Spearman.
Chicago Style (17th ed.) CitationCardwell, Guy. Twins of Genius. London: N. Spearman, 1962.
MLA引文Cardwell, Guy. Twins of Genius. N. Spearman, 1962.
警告：這些引文格式不一定是100％准確.
APA引文