Cita APA (7th ed.)

John Agard; Grace Nichols. (2010). "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK.

Cita Chicago (17th ed.)

John Agard; Grace Nichols. "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK, 2010.

Cita MLA (9th ed.)

John Agard; Grace Nichols. "Twinkle, Twinkle, Firefly (Collins Big Cat)". HarperCollins UK, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.