APA-referens (7:e uppl.)
Grace, R. J. (2014). Opium and empire: The lives and careers of William Jardine and James Matheson. McGill-Queen's University Press.
Chicago-referens (17:e uppl.)
Grace, Richard J. Opium and Empire: The Lives and Careers of William Jardine and James Matheson. Montreal: McGill-Queen's University Press, 2014.
MLA-referens (9:e uppl.)
Grace, Richard J. Opium and Empire: The Lives and Careers of William Jardine and James Matheson. McGill-Queen's University Press, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.