APA (7th ed.) Citation

Roberts, B. (1943). Anti-Frostbite Ointments. Polar Record, 4(25), 30.

Chicago Style (17th ed.) Citation

Roberts, Brain. "Anti-Frostbite Ointments." Polar Record 4, no. 25 (1943): 30.

MLA (9th ed.) Citation

Roberts, Brain. "Anti-Frostbite Ointments." Polar Record, vol. 4, no. 25, 1943, p. 30.