The tragedy of King Richard the Second.
Edited by Matthew W. Black.

APA Citation

Shakespeare, W., Black, M. W. (Matthew Wilson). (1970). The tragedy of King Richard the Second. [Rev. ed.] Baltimore, Md.: Penguin Books.

MLA Citation

Shakespeare, William, 1564-1616, and Matthew W. (Matthew Wilson) Black. The Tragedy of King Richard the Second. [Rev. ed.] Baltimore, Md.: Penguin Books, 1970.

Warning: These citations may not always be complete (especially for serials).