APA Format
Shakespeare, William; Spencer, T.J.B. (1977).
Romeo and Juliet / William Shakespeare ; edited by T.J.B. Spencer
. Australia :: Penguin Books,.
MLA Format
Shakespeare, William; Spencer, T.J.B.
Romeo and Juliet / William Shakespeare ; edited by T.J.B. Spencer
. Australia :: Penguin Books,, 1977
Chicago Format
Shakespeare, William; Spencer, T.J.B. Romeo and Juliet / William Shakespeare ; edited by T.J.B. Spencer. Australia :: Penguin Books,, 1977.