Cita APA (7th ed.)

Guild, W. R. (1969). The science of health. Prentice-Hall.

Cita Chicago (17th ed.)

Guild, Warren Redwood. The Science of Health. Englewood Cliffs, N.J: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Guild, Warren Redwood. The Science of Health. Prentice-Hall, 1969.