Cita APA (7th ed.)

Kellogg, J. H. (2001). Health ladder: A series of twenty health promoting exercises. Teach Services, Inc.

Cita Chicago (17th ed.)

Kellogg, John Harvey. Health Ladder: A Series of Twenty Health Promoting Exercises. Teach Services, Inc, 2001.

Cita MLA (9th ed.)

Kellogg, John Harvey. Health Ladder: A Series of Twenty Health Promoting Exercises. Teach Services, Inc, 2001.