APA Edition Citation

Khanna, P., & Singhal, R. M. (1991). Multipurpose trees and shrubs.

Chicago Edition Citation

Khanna, Pradeep, and R M. Singhal. Multipurpose Trees and Shrubs. Dehra Dun, Indian Council of forestry research and education, 1991.

MLA Edition Citation

Khanna, Pradeep, and R M. Singhal. Multipurpose Trees and Shrubs. 1991.