APA (7th ed.) Citation

Indien National Council of Educational Research and Training & Anantapadmanabhan, N. (1994). Understanding environment: A textbook in geography for class IX ([General world geography for secondary classes], 1. ed. 1989, 6. reprint ed.). Publ. Dep. by the Secretary, National Council of Educational Research and Training.

Chicago Style (17th ed.) Citation

Indien National Council of Educational Research and Training and N. Anantapadmanabhan. Understanding Environment: A Textbook in Geography for Class IX. [General world geography for secondary classes], 1. ed. 1989, 6. reprint ed. New Delhi: Publ. Dep. by the Secretary, National Council of Educational Research and Training, 1994.

MLA (9th ed.) Citation

Indien National Council of Educational Research and Training and N. Anantapadmanabhan. Understanding Environment: A Textbook in Geography for Class IX. [General world geography for secondary classes], 1. ed. 1989, 6. reprint ed. Publ. Dep. by the Secretary, National Council of Educational Research and Training, 1994.