Parot-Alcantara, V., & Lales, J. S. (1992). Morphological changes in four azolla genotypes concurrently grown with irrigated lowland rice. Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist).
Chicago Style (17th ed.) CitationParot-Alcantara, Virginia, and Joveno S. Lales. "Morphological Changes in Four Azolla Genotypes Concurrently Grown with Irrigated Lowland Rice." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) 1992.
MLA (9th ed.) CitationParot-Alcantara, Virginia, and Joveno S. Lales. "Morphological Changes in Four Azolla Genotypes Concurrently Grown with Irrigated Lowland Rice." Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist), 1992.
Warning: These citations may not always be 100% accurate.