APA
Hartnoll P. (., . (1967). The Oxford companion to the theatre. London: Oxford University Press.
Chicago
Hartnoll Phyllis (ed), . 1967. The Oxford companion to the theatre. London: Oxford University Press.
Harvard
Hartnoll P. (., . (1967). The Oxford companion to the theatre. London: Oxford University Press.
MLA
Hartnoll Phyllis (ed), . The Oxford companion to the theatre. London: Oxford University Press. 1967.