APA (7th ed.) Citation

Thanet, O. (1969). The heart of toil. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Thanet, Octave. The Heart of Toil. Freeport, N.Y.: Books for Libraries Press, 1969.

MLA (9th ed.) Citation

Thanet, Octave. The Heart of Toil. Books for Libraries Press, 1969.