APA (7th ed.) Citation

Edwards, R. (2002). The road from Rio. New Scientist, 175(2356), 30.

Chicago Style (17th ed.) Citation

Edwards, Rob. "The Road from Rio." New Scientist 175, no. 2356 (2002): 30.

MLA (9th ed.) Citation

Edwards, Rob. "The Road from Rio." New Scientist, vol. 175, no. 2356, 2002, p. 30.