APA (7th ed.) Citation

Jones, I. W. (1993). The Order of St. John in Wales. Llechwedd Slate Caverns.

Chicago Style (17th ed.) Citation

Jones, Ivor Wynne. The Order of St. John in Wales. Blaenau Ffestiniog: Llechwedd Slate Caverns, 1993.

MLA (9th ed.) Citation

Jones, Ivor Wynne. The Order of St. John in Wales. Llechwedd Slate Caverns, 1993.

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