APA (7th ed.) Citation

Gourmont, R. d. (1967). The book of masks. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Gourmont, Remy de. The Book of Masks. Freeport, N.Y.: Books for Libraries Press, 1967.

MLA (8th ed.) Citation

Gourmont, Remy de. The Book of Masks. Books for Libraries Press, 1967.