APA

Krahl M., . (1961). The action of insulin on cells. New York: Academic Press.

Chicago

Krahl M.E, . 1961. The action of insulin on cells. New York: Academic Press.

Harvard

Krahl M., . (1961). The action of insulin on cells. New York: Academic Press.

MLA

Krahl M.E, . The action of insulin on cells. New York: Academic Press. 1961.