Earth Science Curriculum Project. (1967). Investigating the earth: Teacher's guide; part 2. Houghton Mifflin.
Chicago Style (17th ed.) CitationEarth Science Curriculum Project. Investigating the Earth: Teacher's Guide; Part 2. Boston: Houghton Mifflin, 1967.
MLA (9th ed.) CitationEarth Science Curriculum Project. Investigating the Earth: Teacher's Guide; Part 2. Houghton Mifflin, 1967.
Warning: These citations may not always be 100% accurate.