APA (7th ed.) Citation

Barlaam and Joasaph, Joannes, o. D., Woodward, G. R., & Mattingly, H. (1968). St. John Damascene: Barlaam and Ioasaph. William Heinemann.

Chicago Style (17th ed.) Citation

Barlaam and Joasaph, of Damascus Joannes, George Ratcliffe Woodward, and Harold Mattingly. St. John Damascene: Barlaam and Ioasaph. London: William Heinemann, 1968.

MLA (9th ed.) Citation

Barlaam and Joasaph, et al. St. John Damascene: Barlaam and Ioasaph. William Heinemann, 1968.