Cita APA (7th ed.)

Brennan, W. T., & Ludwig, D. J. (1964). Guide to problems and pratices in firts aid and civil defense. W.C. Brown.

Cita Chicago (17th ed.)

Brennan, William T., i Donald J. Ludwig. Guide to Problems and Pratices in Firts Aid and Civil Defense. Dubuque, Iowa: W.C. Brown, 1964.

Cita MLA (9th ed.)

Brennan, William T., i Donald J. Ludwig. Guide to Problems and Pratices in Firts Aid and Civil Defense. W.C. Brown, 1964.