Cita APA (7a ed.)

Lessing, D. (1992). The grass is singing. Penguin Books.

Cita Chicago Style (17a ed.)

Lessing, Doris. The Grass Is Singing. London: Penguin Books, 1992.

Cita MLA (9a ed.)

Lessing, Doris. The Grass Is Singing. Penguin Books, 1992.