APA (7th ed.) Citation

Jones, B., & James, E. W. (1977). Ann Griffiths: Y cyrfinydd sylweddol. Annual lectures.

Chicago Style (17th ed.) Citation

Jones, Bobi, and E. W. James. "Ann Griffiths: Y Cyrfinydd Sylweddol." Annual Lectures 1977.

MLA (8th ed.) Citation

Jones, Bobi, and E. W. James. "Ann Griffiths: Y Cyrfinydd Sylweddol." Annual Lectures, 1977.

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