Cita APA (7th ed.)

KOTPAL, R. L. (1980). Annelida (10th ed.). RASTOGI PUBLICATIONS.

Cita Chicago (17th ed.)

KOTPAL, R. L. Annelida. 10th ed. MEERUT: RASTOGI PUBLICATIONS, 1980.

Cita MLA (9th ed.)

KOTPAL, R. L. Annelida. 10th ed. RASTOGI PUBLICATIONS, 1980.