APA (7th ed.) Citation

Gruezo, W. S. The lichen genus Lobaria (Schreb.) Hoffm. in the Philippines.

Chicago Style (17th ed.) Citation

Gruezo, William Salem. The Lichen Genus Lobaria (Schreb.) Hoffm. in the Philippines.

MLA (9th ed.) Citation

Gruezo, William Salem. The Lichen Genus Lobaria (Schreb.) Hoffm. in the Philippines.

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