APA (7th ed.) Citation

Allard, B. (1991). Humic substances in the aquatic and terrestial environment. Springer-Verlag.

Chicago Style (17th ed.) Citation

Allard, B. Humic Substances in the Aquatic and Terrestial Environment. Berlin: Springer-Verlag, 1991.

MLA (9th ed.) Citation

Allard, B. Humic Substances in the Aquatic and Terrestial Environment. Springer-Verlag, 1991.

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