Especially for drama, you might need to use, as a source of information, a live or recorded performance of a play, musical, etc. Cite such sources of information in the normal way, i.e. you need to be consistent, which is a key requirement of citing and referencing for IB Diploma Programme research, such as the Extended Essay and Internal Assessments.
For live performances, you will need to record the following information:
If you're analysizing the work of particular or leading performers, you may wish to include their names in the citation.
For recorded performances, such as movies or films, you will need to record the following information:
If you access the recording from a website, you need to include the date of access and the url/web address.
If you refer to a television programme, you may need to include the episode and date the programme was aired (or shown).