APA-viite

Engs, R., & Wartz, M. (1978). Teaching health education in the elementary school. Houghton Miffin company.

Chicago-tyylinen lähdeviittaus

Engs, Ruth, ja Molly Wartz. Teaching Health Education in the Elementary School. London: Houghton Miffin company, 1978.

MLA-viite

Engs, Ruth, ja Molly Wartz. Teaching Health Education in the Elementary School. Houghton Miffin company, 1978.