Cita APA (7a ed.)

Stewart, A., & Henderson, H. (2012). The earth moved: On the remarkable achievements of earthworms (Unabridged.). HighBridge Audio.

Cita Chicago Style (17a ed.)

Stewart, Amy, y Heather Henderson. The Earth Moved: On the Remarkable Achievements of Earthworms. Unabridged. Prince Frederick: HighBridge Audio, 2012.

Cita MLA (8a ed.)

Stewart, Amy, y Heather Henderson. The Earth Moved: On the Remarkable Achievements of Earthworms. Unabridged. HighBridge Audio, 2012.

Precaución: Estas citas no son 100% exactas.