APA (7th ed.) Citation

Sweet, G. E. (1956). Shake-speare, the mystery ([1st ed.). [publisher not identified].

Chicago Style (17th ed.) Citation

Sweet, George Elliott. Shake-speare, the Mystery. [1st ed. Stanford? Calif.: [publisher not identified], 1956.

MLA (9th ed.) Citation

Sweet, George Elliott. Shake-speare, the Mystery. [1st ed. [publisher not identified], 1956.