APA (7th ed.) Citation
Campbell, P. W. (Jan/Feb2003). The Amazing Adding Subtracting Composing Creating Do-Everything Machine. Humanities, 24(1), 16-20.
Chicago Style (17th ed.) Citation
Campbell, Paulette Walker. "The Amazing Adding Subtracting Composing Creating Do-Everything Machine." Humanities 24, no. 1 (Jan/Feb2003): 16-20.
MLA (9th ed.) Citation
Campbell, Paulette Walker. "The Amazing Adding Subtracting Composing Creating Do-Everything Machine." Humanities, vol. 24, no. 1, Jan/Feb2003, pp. 16-20.
Warning: These citations may not always be 100% accurate.