Cita APA (7th ed.)

JACOBSON, W. J. (1970). The new elementary school science. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

JACOBSON, Willard J. The New Elementary School Science. New York: Van Nostrand Reinhold, 1970.

Cita MLA (9th ed.)

JACOBSON, Willard J. The New Elementary School Science. Van Nostrand Reinhold, 1970.