Cita APA (7a ed.)

Earth Science Curriculum Project. (1967). Investigating the earth: Teacher's guide. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Earth Science Curriculum Project. Investigating the Earth: Teacher's Guide. Boston: Houghton Mifflin, 1967.

Cita MLA (8a ed.)

Earth Science Curriculum Project. Investigating the Earth: Teacher's Guide. Houghton Mifflin, 1967.