APA (7th ed.) Citation

Gruber, J., Broz, A., Klima, S. V., & Král, J. J. (1924). Czechoslovakia: A survey of economic and social conditions. Macmillan.

Chicago Style (17th ed.) Citation

Gruber, Josef, Alexander Broz, S. V. Klima, and Josef Jiří Král. Czechoslovakia: A Survey of Economic and Social Conditions. New York: Macmillan, 1924.

MLA (9th ed.) Citation

Gruber, Josef, et al. Czechoslovakia: A Survey of Economic and Social Conditions. Macmillan, 1924.