APA (7th ed.) Citation
(1990). Very debatable units. Economist, 316, 73.
Chicago Style (17th ed.) Citation
"Very Debatable Units." Economist 316 (1990): 73.
MLA (9th ed.) Citation
"Very Debatable Units." Economist, vol. 316, 1990, p. 73.
Warning: These citations may not always be 100% accurate.