APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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