Peruvian site yields a golden discovery.

MLA

Bower, Bruce. “Peruvian Site Yields a Golden Discovery.” Science News, vol. 173, no. 15, Apr. 2008, pp. 237–38. EBSCOhost, https://doi.org/10.1002/scin.2008.5591731511.

APA

Bower, B. (2008). Peruvian site yields a golden discovery. Science News, 173(15), 237–238. https://doi.org/10.1002/scin.2008.5591731511

Chicago

Bower, Bruce. 2008. “Peruvian Site Yields a Golden Discovery.” Science News 173 (15): 237–38. doi:10.1002/scin.2008.5591731511.