APA (7th ed.) Citation

Massingham, H. J. (1967). Letters to X from H. J. Massingham. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Massingham, H. J. Letters to X from H. J. Massingham. Freeport, N.Y.: Books for Libraries Press, 1967.

MLA (9th ed.) Citation

Massingham, H. J. Letters to X from H. J. Massingham. Books for Libraries Press, 1967.