APA (7th ed.) Citation

OKASHA, A. Essential of psychiatry. The Arab Writer Printing & Publishing House.

Chicago Style (17th ed.) Citation

OKASHA, Ahmed. Essential of Psychiatry. The Arab Writer Printing & Publishing House.

MLA (8th ed.) Citation

OKASHA, Ahmed. Essential of Psychiatry. The Arab Writer Printing & Publishing House.

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