Beddard, F. E. Earthworms and Their Allies.
Cita Chicago (17th ed.)Beddard, Frank E. Earthworms and Their Allies.
Cita MLA (9th ed.)Beddard, Frank E. Earthworms and Their Allies.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)