MLA

Lis, Catharina, and Hugo Soly. Worthy Efforts : Attitudes to Work and Workers In Pre-industrial Europe. Boston: Brill, 2012.

APA

Lis, C., & Soly, H. (2012). Worthy efforts : attitudes to work and workers in pre-industrial Europe. Boston: Brill.

Chicago

Lis, Catharina, and Hugo Soly. Worthy Efforts: Attitudes to Work and Workers In Pre-Industrial Europe. Boston: Brill, 2012.