Gaya APA

Henry, N, B. (1947). The forty-sixth yearbook of the national society for the study of education : science education in American schools [part 1] . Chicago: The University of Chicago Press.

Gaya MLA

Henry, Nelson, B.. "The forty-sixth yearbook of the national society for the study of education : science education in American schools [part 1]". Chicago: The University of Chicago Press, 1947. Text.