APA (7th ed.) Citation

Drummond, H. (1883). Natural Law in the Spiritual World. Cambridge University Press. https://doi.org/10.1017/CBO9780511692703

Chicago Style (17th ed.) Citation

Drummond, Henry. Natural Law in the Spiritual World. Cambridge: Cambridge University Press, 1883. https://doi.org/10.1017/CBO9780511692703.

MLA (9th ed.) Citation

Drummond, Henry. Natural Law in the Spiritual World. Cambridge University Press, 1883. https://doi.org/10.1017/CBO9780511692703.