APA (7th ed.) Citation

Kumar, H. D., & Singh, H. N. (1979). A textbook on algae / (by) H.D. Kumar and H.N. Singh (2nd ed.). Macmillan.

Chicago Style (17th ed.) Citation

Kumar, Har Darshan, and Hriday Narain Singh. A Textbook on Algae / (by) H.D. Kumar and H.N. Singh. 2nd ed. London (etc.): Macmillan, 1979.

MLA (9th ed.) Citation

Kumar, Har Darshan, and Hriday Narain Singh. A Textbook on Algae / (by) H.D. Kumar and H.N. Singh. 2nd ed. Macmillan, 1979.

Warning: These citations may not always be 100% accurate.