Cita APA (7a ed.)

Bowlby, J., & Fry, M. (1966). Child care and the growth of love: With two new chapters by Mary D. Salter Aisnworth (2. ed., repr.). Penguin books.

Cita Chicago Style (17a ed.)

Bowlby, John, y Margery Fry. Child Care and the Growth of Love: With Two New Chapters by Mary D. Salter Aisnworth. 2. ed., repr. Middlessex: Penguin books, 1966.

Cita MLA (9a ed.)

Bowlby, John, y Margery Fry. Child Care and the Growth of Love: With Two New Chapters by Mary D. Salter Aisnworth. 2. ed., repr. Penguin books, 1966.