APA (7th ed.) Citation

Gregory, C. E. (1979). Explosives for North American engineers (2nd ed.). Trans Tech Publications.

Chicago Style (17th ed.) Citation

Gregory, Cedric Errol. Explosives for North American Engineers. 2nd ed. Clausthal-Zellerfeld, Federal Republic of Germany: Trans Tech Publications, 1979.

MLA (9th ed.) Citation

Gregory, Cedric Errol. Explosives for North American Engineers. 2nd ed. Trans Tech Publications, 1979.