Cita APA (7th ed.)

Harrington, J. W. (1981). Discovering science. Houghton Mifflin.

Cita Chicago (17th ed.)

Harrington, John W. Discovering Science. Boston: Houghton Mifflin, 1981.

Cita MLA (9th ed.)

Harrington, John W. Discovering Science. Houghton Mifflin, 1981.