APA (7th ed.) Citation

Roberts, B., Roots, E. F., & Swithinbank, C. (1956). Strand cracks. Polar Record, 8(52), 64.

Chicago Style (17th ed.) Citation

Roberts, Brian, E. F. Roots, and Charles Swithinbank. "Strand Cracks." Polar Record 8, no. 52 (1956): 64.

MLA (9th ed.) Citation

Roberts, Brian, et al. "Strand Cracks." Polar Record, vol. 8, no. 52, 1956, p. 64.