Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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