APA (7th ed.) Citation

Lapp, R. E. (1969). Die Materie. Rowohlt.

Chicago Style (17th ed.) Citation

Lapp, Ralph Eugene. Die Materie. Reinbeck bei Hamburg: Rowohlt, 1969.

MLA (9th ed.) Citation

Lapp, Ralph Eugene. Die Materie. Rowohlt, 1969.

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