APA (7th ed.) Citation

DL, H. (2000). Tick, tick, ticking away... Pennsylvania medicine, Suppl, 9.

Chicago Style (17th ed.) Citation

DL, Hawk. "Tick, Tick, Ticking Away..." Pennsylvania Medicine Suppl (2000): 9.

MLA (9th ed.) Citation

DL, Hawk. "Tick, Tick, Ticking Away..." Pennsylvania Medicine, vol. Suppl, 2000, p. 9.