APA (7th ed.) Citation

Regiment Adjutant, p. (1919). Twenty-sixth infantry in France. Martin Flock.

Chicago Style (17th ed.) Citation

Regiment Adjutant, pseud. Twenty-sixth Infantry in France. Frankfurt, Germany: Martin Flock, 1919.

MLA (9th ed.) Citation

Regiment Adjutant, pseud. Twenty-sixth Infantry in France. Martin Flock, 1919.