APA

White House Conference on Child Health and Protection, Campbell M. E. & Davis A. S. (1932). Vocational guidance. New York: The Century Co.

Chicago

White House Conference on Child Health and Protection, Campbell Mary Edith and Davis Anne Sophia. 1932. Vocational guidance. New York: The Century Co.

Harvard

White House Conference on Child Health and Protection, Campbell M. E. and Davis A. S. (1932). Vocational guidance. New York: The Century Co.

MLA

White House Conference on Child Health and Protection, Campbell Mary Edith and Davis Anne Sophia. Vocational guidance. New York: The Century Co. 1932.