APA (7th ed.) Citation
Watanabe, I., & Ramirez, C. (1990). Phosphorus and Nitrogen Contents of Azolla Grown in the Philippines. Informa UK Limited.
Chicago Style (17th ed.) Citation
Watanabe, Iwao, and Corazon Ramirez. Phosphorus and Nitrogen Contents of Azolla Grown in the Philippines. Informa UK Limited, 1990.
MLA (9th ed.) Citation
Watanabe, Iwao, and Corazon Ramirez. Phosphorus and Nitrogen Contents of Azolla Grown in the Philippines. Informa UK Limited, 1990.
Warning: These citations may not always be 100% accurate.