Cita APA (7th ed.)

JACOBSON, W. J., & BERGMAN, A. B. (1987). Science for children: A book for teachers.-- Ed.2. Prentice-Hall.

Cita Chicago (17th ed.)

JACOBSON, Willard J., i Abby Barry BERGMAN. Science for Children: A Book for Teachers.-- Ed.2. London: Prentice-Hall, 1987.

Cita MLA (9th ed.)

JACOBSON, Willard J., i Abby Barry BERGMAN. Science for Children: A Book for Teachers.-- Ed.2. Prentice-Hall, 1987.