Cita APA (7th ed.)

Butts, D. P. (1971). The teaching of science: A self directed guide to science, a process approach. Research and Development Center for Teacher Education, University of Texas at Austin.

Cita Chicago (17th ed.)

Butts, David P. The Teaching of Science: A Self Directed Guide to Science, a Process Approach. Austin, Texas: Research and Development Center for Teacher Education, University of Texas at Austin, 1971.

Cita MLA (9th ed.)

Butts, David P. The Teaching of Science: A Self Directed Guide to Science, a Process Approach. Research and Development Center for Teacher Education, University of Texas at Austin, 1971.