APA Style

Koontz, H., O'Donnell, C. (1978). Essentials of Management second edition (Ed.2). New Delhi: Tata McGraw-Hill Publishing Company Ltd..

MLA Style

Koontz, Harold., O'Donnell, Cyril. "Essentials of Management second edition". Ed.2 New Delhi: Tata McGraw-Hill Publishing Company Ltd., 1978. Text.