APA (7th ed.) Citation

Hidber, C., Barbe, H. B., & Jud, E. H. (1970). Modal split: Report on current methods ; English summary. SVI.

Chicago Style (17th ed.) Citation

Hidber, Carl, Hans B. Barbe, and E. H. Jud. Modal Split: Report on Current Methods ; English Summary. Zürich: SVI, 1970.

MLA (9th ed.) Citation

Hidber, Carl, et al. Modal Split: Report on Current Methods ; English Summary. SVI, 1970.