Cita APA

Hollingworth, H. L., & Hollingworth, L. S. (1916). Vocational psychology: Its problems and methods. Appleton.

Citación estilo Chicago

Hollingworth, H. L., and Leta S. Hollingworth. Vocational Psychology: Its Problems and Methods. New York: Appleton, 1916.

Cita MLA

Hollingworth, H. L., and Leta S. Hollingworth. Vocational Psychology: Its Problems and Methods. Appleton, 1916.