Cita APA (7th ed.)

Shukla, R. S., & Chandel, P. S. (1972). Plant ecology. S. Chand & Company Ltd..

Cita Chicago (17th ed.)

Shukla, R. S., i P. S. Chandel. Plant Ecology. New Delhi: S. Chand & Company Ltd., 1972.

Cita MLA (9th ed.)

Shukla, R. S., i P. S. Chandel. Plant Ecology. S. Chand & Company Ltd., 1972.