Cita APA (7th ed.)

(Camilla de la Bedoyere). (2019). Egg to Penguin Lifecycles. QED Publishing.

Cita Chicago (17th ed.)

(Camilla de la Bedoyere). Egg to Penguin Lifecycles. QED Publishing, 2019.

Cita MLA (9th ed.)

(Camilla de la Bedoyere). Egg to Penguin Lifecycles. QED Publishing, 2019.

Atenció: Aquestes cites poden no estar 100% correctes.