APA (7th ed.) Citation

Dua, R. (1970). A textbook of advanced eco. theory. Loyal Bk. Depot.

Chicago Style (17th ed.) Citation

Dua, R. A Textbook of Advanced Eco. Theory. Meerut: Loyal Bk. Depot, 1970.

MLA (9th ed.) Citation

Dua, R. A Textbook of Advanced Eco. Theory. Loyal Bk. Depot, 1970.

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