APA (7th ed.) Citation

Wittkugel, K. (1957). Reprint. From: Portfolio "Wittkugel".

Chicago Style (17th ed.) Citation

Wittkugel, Klaus. Reprint. From: Portfolio "Wittkugel". 1957.

MLA (8th ed.) Citation

Wittkugel, Klaus. Reprint. From: Portfolio "Wittkugel". 1957.

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