APA

Turnbull J. G., Williams C. A. & Cheit E. F. (1957). Economic and social security : public and private measures against economic insecurity. Nueva York: The Ronald Press.

Chicago

Turnbull John G, Williams C Arthur and Cheit Earl F. 1957. Economic and social security : public and private measures against economic insecurity. Nueva York: The Ronald Press.

Harvard

Turnbull J. G., Williams C. A. and Cheit E. F. (1957). Economic and social security : public and private measures against economic insecurity. Nueva York: The Ronald Press.

MLA

Turnbull John G, Williams C Arthur and Cheit Earl F. Economic and social security : public and private measures against economic insecurity. Nueva York: The Ronald Press. 1957.