APA Style

Rizk, A, F., Nowaihi, A, S. (1989). The Phytochemistry Of The Horticultural Plants Of Qatar (1). Qatar: Scientific Documentation Centre.

MLA Style

Rizk, Abdel, Fattah., Nowaihi, Abdel, Salam. "The Phytochemistry Of The Horticultural Plants Of Qatar". 1 Qatar: Scientific Documentation Centre, 1989. Text.