APA (7th ed.) Citation

Strong, E. K. (1955). Vocational interests 18 years after college. University of Minnesota Press.

Chicago Style (17th ed.) Citation

Strong, Edward K. Vocational Interests 18 Years After College. Minneapolis: University of Minnesota Press, 1955.

MLA (9th ed.) Citation

Strong, Edward K. Vocational Interests 18 Years After College. University of Minnesota Press, 1955.