APA (7th ed.) Citation

Simmons, J. S. G. (1963). Early-printed Cyrillic books in Archbishop Marsh’s Library, Dublin. [s.n.].

Chicago Style (17th ed.) Citation

Simmons, J. S. G. Early-printed Cyrillic Books in Archbishop Marsh’s Library, Dublin. [s.l]: [s.n.], 1963.

MLA (9th ed.) Citation

Simmons, J. S. G. Early-printed Cyrillic Books in Archbishop Marsh’s Library, Dublin. [s.n.], 1963.

Warning: These citations may not always be 100% accurate.