APA

Laidler H., . (1927). History of socialist thought. New York: ThomasY. Crowel.

Chicago

Laidler H.W, . 1927. History of socialist thought. New York: ThomasY. Crowel.

Harvard

Laidler H., . (1927). History of socialist thought. New York: ThomasY. Crowel.

MLA

Laidler H.W, . History of socialist thought. New York: ThomasY. Crowel. 1927.