Cita APA (7th ed.)

Harris, M. F. (1973). Investigating the earth: Teacher's guide (rev. ed.). Houghton Mifflin Co.

Cita Chicago (17th ed.)

Harris, Miles F. Investigating the Earth: Teacher's Guide. rev. ed. Boston: Houghton Mifflin Co, 1973.

Cita MLA (9th ed.)

Harris, Miles F. Investigating the Earth: Teacher's Guide. rev. ed. Houghton Mifflin Co, 1973.