APA-viite

Quennell, P. (1965). Four portraits: Studies of the eighteenth century. Collins.

Chicago-tyylinen lähdeviittaus

Quennell, Peter. Four Portraits: Studies of the Eighteenth Century. London: Collins, 1965.

MLA-viite

Quennell, Peter. Four Portraits: Studies of the Eighteenth Century. Collins, 1965.