APA (7th ed.) Citation

Barkoudah, Y. I. (1962). A revision of Gypsophila, Bolanthus, Ankyropetalum and Phryna: With Arabic summary. North-Holland Publ. Comp.

Chicago Style (17th ed.) Citation

Barkoudah, Youssef Ibrahim. A Revision of Gypsophila, Bolanthus, Ankyropetalum and Phryna: With Arabic Summary. Amsterdam: North-Holland Publ. Comp, 1962.

MLA (9th ed.) Citation

Barkoudah, Youssef Ibrahim. A Revision of Gypsophila, Bolanthus, Ankyropetalum and Phryna: With Arabic Summary. North-Holland Publ. Comp, 1962.

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