APA (7th ed.) Citation

United States. Army. (1960). It's your head - keep it!: Intructions for using helmet liner (infantryman's). [Army].

Chicago Style (17th ed.) Citation

United States. Army. It's Your Head - Keep It!: Intructions for Using Helmet Liner (infantryman's). [United States]: [Army], 1960.

MLA (9th ed.) Citation

United States. Army. It's Your Head - Keep It!: Intructions for Using Helmet Liner (infantryman's). [Army], 1960.

Warning: These citations may not always be 100% accurate.