APA (7th ed.) Citation

Gregory, C. E. (1984). Explosives for North American engineers (3rd ed.). Trans Tech Publications ; Gulf Pub. Co..

Chicago Style (17th ed.) Citation

Gregory, Cedric Errol. Explosives for North American Engineers. 3rd ed. Clausthal-Zellerfeld, Federal Republic of Germany : Houston: Trans Tech Publications ; Gulf Pub. Co., 1984.

MLA (9th ed.) Citation

Gregory, Cedric Errol. Explosives for North American Engineers. 3rd ed. Trans Tech Publications ; Gulf Pub. Co., 1984.