Cita APA (7th ed.)

Palma, R. V. P. The effect of water hardness on viability and hatching percentages of Asian catfish, Claria macrocephalus (Gunther) eggs.

Cita Chicago (17th ed.)

Palma, Rex Vener Palmares. The Effect of Water Hardness on Viability and Hatching Percentages of Asian Catfish, Claria Macrocephalus (Gunther) Eggs. 1997.

Cita MLA (9th ed.)

Palma, Rex Vener Palmares. The Effect of Water Hardness on Viability and Hatching Percentages of Asian Catfish, Claria Macrocephalus (Gunther) Eggs.