APA (7th ed.) Citation

Williams, V. (1972). The curiosity of Mr. Treadgold. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Williams, Valentine. The Curiosity of Mr. Treadgold. Freeport, N.Y.: Books for Libraries Press, 1972.

MLA (9th ed.) Citation

Williams, Valentine. The Curiosity of Mr. Treadgold. Books for Libraries Press, 1972.