Cita APA (7a ed.)

Heron, C., & Penfold, S. (2005). The workers' festival: A history of Labour Day in Canada. University of Toronto Press.

Cita Chicago Style (17a ed.)

Heron, Craig, y Steven Penfold. The Workers' Festival: A History of Labour Day in Canada. Toronto [Ontario] ; Buffalo [New York]: University of Toronto Press, 2005.

Cita MLA (8a ed.)

Heron, Craig, y Steven Penfold. The Workers' Festival: A History of Labour Day in Canada. University of Toronto Press, 2005.