APA (7th ed.) Citation

Clifford, H. C. (1970). In days that are dead. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Clifford, Hugh Charles. In Days That Are Dead. Freeport, N.Y.: Books for Libraries Press, 1970.

MLA (9th ed.) Citation

Clifford, Hugh Charles. In Days That Are Dead. Books for Libraries Press, 1970.