APA (7th ed.) Citation

Zimdahl, W. (1971). Natur und Heimat: Kalender 1971.

Chicago Style (17th ed.) Citation

Zimdahl, W. Natur Und Heimat: Kalender 1971. Berlin, 1971.

MLA (8th ed.) Citation

Zimdahl, W. Natur Und Heimat: Kalender 1971. 1971.

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