Cita APA (7th ed.)

Thygerson, A. L. (1978). Study guide for first aid practices. Prentice-Hall.

Cita Chicago (17th ed.)

Thygerson, Alton L. Study Guide for First Aid Practices. Englewood Cliffs, N.J: Prentice-Hall, 1978.

Cita MLA (9th ed.)

Thygerson, Alton L. Study Guide for First Aid Practices. Prentice-Hall, 1978.