APA (7th ed.) Citation

(1969). Populations: Teacher's guide (Preliminary ed.). Science Curriculum Improvement Study.

Chicago Style (17th ed.) Citation

Populations: Teacher's Guide. Preliminary ed. Berkeley, CA: Science Curriculum Improvement Study, 1969.

MLA (9th ed.) Citation

Populations: Teacher's Guide. Preliminary ed. Science Curriculum Improvement Study, 1969.

Warning: These citations may not always be 100% accurate.