APA (7th ed.) Citation

Lenk, R. (1973). Physik. Brockhaus.

Chicago Style (17th ed.) Citation

Lenk, Richard. Physik. Leipzig: Brockhaus, 1973.

MLA (8th ed.) Citation

Lenk, Richard. Physik. Brockhaus, 1973.

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