APA (7th ed.) Citation

Belsan, G. (1981). Manual of methods in aquatic environment research. FAO of the UN.

Chicago Style (17th ed.) Citation

Belsan, G. Manual of Methods in Aquatic Environment Research. Rome: FAO of the UN, 1981.

MLA (9th ed.) Citation

Belsan, G. Manual of Methods in Aquatic Environment Research. FAO of the UN, 1981.

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