APA citáció

Hamar József & Sárkány-Kiss Endre. (1999). The Somes/Szamos river valley: A study of the geography, hydrobiology and ecology of the river system and its environment. Szolnok, Szeged, Targu Mures.

Chicago Style (17th ed.) Citation

Hamar József and Sárkány-Kiss Endre. The Somes/Szamos River Valley: A Study of the Geography, Hydrobiology and Ecology of the River System and Its Environment. Tisza Klub for Environment and Nature ; Liga Pro Europa: Szolnok, Szeged, Targu Mures, 1999.

MLA idézés

Hamar József and Sárkány-Kiss Endre. The Somes/Szamos River Valley: A Study of the Geography, Hydrobiology and Ecology of the River System and Its Environment. Szolnok, Szeged, Targu Mures, 1999.