APA (7th ed.) Citation

Echanis. (1977). Knife self-defense for combat. Ohara Publications.

Chicago Style (17th ed.) Citation

Echanis. Knife Self-defense for Combat. Burbank: Ohara Publications, 1977.

MLA (8th ed.) Citation

Echanis. Knife Self-defense for Combat. Ohara Publications, 1977.