American Psychological Association 7th edition

Leftwich, J., & Zweig, S. (ca. 1936). What will happen to the Jews? [Book]. King.

Chicago Manual of Style 17th edition (author-date)

Leftwich, Joseph, and Stefan Zweig. 1936. What will happen to the Jews?. Book. London: King.

Springer - Basic (author-date)

Leftwich J, Zweig S (1936) What will happen to the Jews?. King, London

Springer - Lecture Notes in Computer Science

1.Leftwich, J., Zweig, S.: What will happen to the Jews?. King, London (1936).

DIN 1505-2 (author-date, Deutsch) - standard superseded by ISO-690

Leftwich, Joseph ; Zweig, Stefan ; ; ; : What will happen to the Jews?. book. London : King, 1936

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