APA (7th ed.) Citation

Young, E. W., Mosby, J. E. G., Meyer, K., & Young, G. (1951). Our changing world (1. publ.). Arnold.

Chicago Style (17th ed.) Citation

Young, Eric William, J. E. G. Mosby, Klaus Meyer, and Gale Young. Our Changing World. 1. publ. London: Arnold, 1951.

MLA (9th ed.) Citation

Young, Eric William, et al. Our Changing World. 1. publ. Arnold, 1951.