APA

Krueger E. A., . (1966). The hypodermic injection: a programed unit. New York: Published for the Dept. of Nursing Education by Teachers College Press, Teachers College, Columbia University.

Chicago

Krueger Elizabeth A, . 1966. The hypodermic injection: a programed unit. New York: Published for the Dept. of Nursing Education by Teachers College Press, Teachers College, Columbia University.

Harvard

Krueger E. A., . (1966). The hypodermic injection: a programed unit. New York: Published for the Dept. of Nursing Education by Teachers College Press, Teachers College, Columbia University.

MLA

Krueger Elizabeth A, . The hypodermic injection: a programed unit. New York: Published for the Dept. of Nursing Education by Teachers College Press, Teachers College, Columbia University. 1966.