APA (7th ed.) Citation

Eckhart, G., Lull, R., & Ripley, G. (2019). A collection of treatises and poems on alchemy and the Philosopher's Stone. Adam Matthew Digital.

Chicago Style (17th ed.) Citation

Eckhart, George, Ramon Lull, and George Ripley. A Collection of Treatises and Poems on Alchemy and the Philosopher's Stone. Marlborough, Wiltshire: Adam Matthew Digital, 2019.

MLA (9th ed.) Citation

Eckhart, George, et al. A Collection of Treatises and Poems on Alchemy and the Philosopher's Stone. Adam Matthew Digital, 2019.