APA (7th ed.) Citation

Lütgen, B. (1902). Studies in velocity. G. Schirmer.

Chicago Style (17th ed.) Citation

Lütgen, B. Studies in Velocity. Nueva York: G. Schirmer, 1902.

MLA (9th ed.) Citation

Lütgen, B. Studies in Velocity. G. Schirmer, 1902.