Abu-Zinada, A. H., Hawksworth, D. L., & Bokhary, H. A. (1986). The lichens of Saudi Arabia, with a key to the species reported. Arab Bureau of Education for the Gulf States.
Chicago Style (17th ed.) CitationAbu-Zinada, A. H., D. L. Hawksworth, and H. A. Bokhary. The Lichens of Saudi Arabia, with a Key to the Species Reported. Riyadh, Kingdom of Saudi Arabia: Arab Bureau of Education for the Gulf States, 1986.
MLA (9th ed.) CitationAbu-Zinada, A. H., et al. The Lichens of Saudi Arabia, with a Key to the Species Reported. Arab Bureau of Education for the Gulf States, 1986.
Warning: These citations may not always be 100% accurate.