APA (7th ed.) Citation

El-Sorogy, A. S., Ali, . M. Y., & Al-Sabrooty, M. N. Invertebrate paleontology.

Chicago Style (17th ed.) Citation

El-Sorogy, Abdelbaset S., Mohamed Youssef Ali, and Mohamed Naquib Al-Sabrooty. Invertebrate Paleontology.

MLA (9th ed.) Citation

El-Sorogy, Abdelbaset S., et al. Invertebrate Paleontology.

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