APA (7th ed.) Citation

Pietryga, H. (1959). Naturkunde. List.

Chicago Style (17th ed.) Citation

Pietryga, Heinz. Naturkunde. München: List, 1959.

MLA (9th ed.) Citation

Pietryga, Heinz. Naturkunde. List, 1959.

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