APA (7th ed.) Citation

Becker, H. S., & Fröhlich, P. Toynbee y la sociologia sistemática.

Chicago Style (17th ed.) Citation

Becker, Howard Saul., and Philip Fröhlich. Toynbee Y La Sociologia Sistemática.

MLA (8th ed.) Citation

Becker, Howard Saul., and Philip Fröhlich. Toynbee Y La Sociologia Sistemática.

Warning: These citations may not always be 100% accurate.