APA (7th ed.) Citation

Fiek, E. (1990). Chenopodium album: Kraut oder Unkraut? Botan. Garten.

Chicago Style (17th ed.) Citation

Fiek, Emil. Chenopodium Album: Kraut Oder Unkraut? Konstanz: Botan. Garten, 1990.

MLA (9th ed.) Citation

Fiek, Emil. Chenopodium Album: Kraut Oder Unkraut? Botan. Garten, 1990.

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