APA (7th ed.) Citation

Clarke, R. (1955). The antarctic whaling seasons of 1951–52, 1952–53, and 1953–54. Polar Record, 7(51), 518.

Chicago Style (17th ed.) Citation

Clarke, Robert. "The Antarctic Whaling Seasons of 1951–52, 1952–53, and 1953–54." Polar Record 7, no. 51 (1955): 518.

MLA (9th ed.) Citation

Clarke, Robert. "The Antarctic Whaling Seasons of 1951–52, 1952–53, and 1953–54." Polar Record, vol. 7, no. 51, 1955, p. 518.