APA (7th ed.) Citation

Gayda, V., Gibson, Z. M., & Miles, C. A. (1915). Modern Austria: Her racial and social problems. T.F. Unwin, ltd..

Chicago Style (17th ed.) Citation

Gayda, Virginio, Z. M. Gibson, and C. A. Miles. Modern Austria: Her Racial and Social Problems. London: T.F. Unwin, ltd., 1915.

MLA (9th ed.) Citation

Gayda, Virginio, et al. Modern Austria: Her Racial and Social Problems. T.F. Unwin, ltd., 1915.