APA

Wolfe H., . (1956). Herbert Hoover: public servant and leader of the loyal opposition: a study of his life and career. New York: Exposition Press.

Chicago

Wolfe Harold, . 1956. Herbert Hoover: public servant and leader of the loyal opposition: a study of his life and career. New York: Exposition Press.

Harvard

Wolfe H., . (1956). Herbert Hoover: public servant and leader of the loyal opposition: a study of his life and career. New York: Exposition Press.

MLA

Wolfe Harold, . Herbert Hoover: public servant and leader of the loyal opposition: a study of his life and career. New York: Exposition Press. 1956.