APA (7th ed.) Citation

Gellert, W. (1979). Natur. Bibliographisches Institut.

Chicago Style (17th ed.) Citation

Gellert, Walter. Natur. Leipzig: Bibliographisches Institut, 1979.

MLA (8th ed.) Citation

Gellert, Walter. Natur. Bibliographisches Institut, 1979.

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