APA (7th ed.) Citation

Tolba, M. K. (1991). Breaking the habit. UNEP.

Chicago Style (17th ed.) Citation

Tolba, Mostafa K. Breaking the Habit. Nairobi: UNEP, 1991.

MLA (9th ed.) Citation

Tolba, Mostafa K. Breaking the Habit. UNEP, 1991.

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