APA (7th ed.) Citation

May, S. (1996). The object at hand. Smithsonian, 27(6), 16.

Chicago Style (17th ed.) Citation

May, Stephen. "The Object at Hand." Smithsonian 27, no. 6 (1996): 16.

MLA (9th ed.) Citation

May, Stephen. "The Object at Hand." Smithsonian, vol. 27, no. 6, 1996, p. 16.