APA (7th ed.) Citation

Willert, A. (1936). What next in Europe? G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Willert, Arthur. What Next in Europe? New York: G.P. Putnam's sons, 1936.

MLA (9th ed.) Citation

Willert, Arthur. What Next in Europe? G.P. Putnam's sons, 1936.

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