Cita APA (7th ed.)

Friedmann, L. W., Galton, L., & Stonehill, J. (1973). Freedom from backaches. Pocket-books.

Cita Chicago (17th ed.)

Friedmann, Lawrence W., Lawrence Galton, i Joseph Stonehill. Freedom from Backaches. New York: Pocket-books, 1973.

Cita MLA (9th ed.)

Friedmann, Lawrence W., et al. Freedom from Backaches. Pocket-books, 1973.