APA (7th ed.) Citation

Fagg, W., Forman, W., & Forman, B. (1959). Afro-Portuguese ivories. Batchworth Press.

Chicago Style (17th ed.) Citation

Fagg, William, Werner Forman, and Bedřich Forman. Afro-Portuguese Ivories. London: Batchworth Press, 1959.

MLA (9th ed.) Citation

Fagg, William, et al. Afro-Portuguese Ivories. Batchworth Press, 1959.