APA (7th ed.) Citation

Sinkankas, J., & Read, P. G. (1986). Beryl. Butterworths.

Chicago Style (17th ed.) Citation

Sinkankas, John, and Peter G. Read. Beryl. London ; Boston: Butterworths, 1986.

MLA (9th ed.) Citation

Sinkankas, John, and Peter G. Read. Beryl. Butterworths, 1986.