Cita APA (7th ed.)

Shartle, C. L. (1952). Occupational information, its development and application (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Shartle, Carroll Leonard. Occupational Information, Its Development and Application. 2nd ed. Englewood Cliffs, N. J: Prentice-Hall, 1952.

Cita MLA (9th ed.)

Shartle, Carroll Leonard. Occupational Information, Its Development and Application. 2nd ed. Prentice-Hall, 1952.