(1972). Concepts in science; teacher's edition: Level 2 (Red) (3d ed.). Harcourt.
Chicago Style (17th ed.) CitationConcepts in Science; Teacher's Edition: Level 2 (Red). 3d ed. New York: Harcourt, 1972.
MLA (9th ed.) CitationConcepts in Science; Teacher's Edition: Level 2 (Red). 3d ed. Harcourt, 1972.
Warning: These citations may not always be 100% accurate.