APA (7th ed.) Citation

EL, P. (1929). RETREAT OF CAVELL GLACIER. Science (New York, N.Y.), 70(1822), 537. https://doi.org/10.1126/science.70.1822.537-a

Chicago Style (17th ed.) Citation

EL, Perry. "RETREAT OF CAVELL GLACIER." Science (New York, N.Y.) 70, no. 1822 (1929): 537. https://doi.org/10.1126/science.70.1822.537-a.

MLA (9th ed.) Citation

EL, Perry. "RETREAT OF CAVELL GLACIER." Science (New York, N.Y.), vol. 70, no. 1822, 1929, p. 537, https://doi.org/10.1126/science.70.1822.537-a.

Warning: These citations may not always be 100% accurate.