APA (7th ed.) Citation

Montgomery, F. A. (1941). Butler's powder boat flasco. Explosives Engineer, 19, 55.

Chicago Style (17th ed.) Citation

Montgomery, F. A. "Butler's Powder Boat Flasco." Explosives Engineer 19 (1941): 55.

MLA (9th ed.) Citation

Montgomery, F. A. "Butler's Powder Boat Flasco." Explosives Engineer, vol. 19, 1941, p. 55.