Post office nixes germs by mail.

MLA

Booth, W. “Post Office Nixes Germs by Mail.” Science (New York, N.Y.), vol. 241, no. 4861, July 1988, p. 15. EBSCOhost, https://doi.org/10.1126/science.3388011.

APA

Booth, W. (1988). Post office nixes germs by mail. Science (New York, N.Y.), 241(4861), 15. https://doi.org/10.1126/science.3388011

Chicago

Booth, W. 1988. “Post Office Nixes Germs by Mail.” Science (New York, N.Y.) 241 (4861): 15. doi:10.1126/science.3388011.