APA (7th ed.) Citation

Drummond, I. (1977). The necklace of skulls. Joseph.

Chicago Style (17th ed.) Citation

Drummond, Ivor. The Necklace of Skulls. London: Joseph, 1977.

MLA (8th ed.) Citation

Drummond, Ivor. The Necklace of Skulls. Joseph, 1977.

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