Cita APA (7th ed.)

Baldini, R. A. (1973). Student science activities for 6-9. Parker Pub.

Cita Chicago (17th ed.)

Baldini, Rudolph A. Student Science Activities for 6-9. West Nyack, NY: Parker Pub, 1973.

Cita MLA (9th ed.)

Baldini, Rudolph A. Student Science Activities for 6-9. Parker Pub, 1973.