Cita APA (7a ed.)

Johnson, P. H. (1961). The Humbler creation. Penguin Books.

Cita Chicago Style (17a ed.)

Johnson, Pamela Hansford. The Humbler Creation. Harmondsworth: Penguin Books, 1961.

Cita MLA (9a ed.)

Johnson, Pamela Hansford. The Humbler Creation. Penguin Books, 1961.