APA-referens (7:e uppl.)

Daly, M. Marx, Engels and early Marxist criticism: Macdonald Daly. The nineteenth century, c. 1830 - 1914.(2013).

Chicago-referens (17:e uppl.)

Daly, Macdonald. "Marx, Engels and Early Marxist Criticism: Macdonald Daly." The Nineteenth Century, C. 1830 - 1914.(2013) .

MLA-referens (8:e uppl.)

Daly, Macdonald. "Marx, Engels and Early Marxist Criticism: Macdonald Daly." The Nineteenth Century, C. 1830 - 1914.(2013), .