Cita APA (7th ed.)

Spencer, J. F. (2007). Science month-by-month, grades 3-8: Practical ideas and activities for teachers and homeschoolers. Jossey-Bass.

Cita Chicago (17th ed.)

Spencer, Julia Farish. Science Month-by-month, Grades 3-8: Practical Ideas and Activities for Teachers and Homeschoolers. San Francisco: Jossey-Bass, 2007.

Cita MLA (9th ed.)

Spencer, Julia Farish. Science Month-by-month, Grades 3-8: Practical Ideas and Activities for Teachers and Homeschoolers. Jossey-Bass, 2007.