Cita APA (7th ed.)

Singh, S. P., & Singh, S. P. K. (1978). Algae: An Introduction. Kalyani publishers.

Cita Chicago (17th ed.)

Singh, S. P., i S. P.; Kashyap Singh. Algae: An Introduction. New delhi: Kalyani publishers, 1978.

Cita MLA (9th ed.)

Singh, S. P., i S. P.; Kashyap Singh. Algae: An Introduction. Kalyani publishers, 1978.