Cita APA (7th ed.)

Rockcastle, V. N., Salomon, F. R., & Schmidt, V. E. (1975). Elementary school science, level 3. Addison-Wesley.

Cita Chicago (17th ed.)

Rockcastle, Verne N., Frank R. Salomon, i Victor E. Schmidt. Elementary School Science, Level 3. Menlo Park, CA: Addison-Wesley, 1975.

Cita MLA (9th ed.)

Rockcastle, Verne N., et al. Elementary School Science, Level 3. Addison-Wesley, 1975.