Cita APA (7a ed.)

Ivany, J. W. (1975). Today's science: A professional approach to teaching elementary school science. SRA.

Cita Chicago Style (17a ed.)

Ivany, J. W. Today's Science: A Professional Approach to Teaching Elementary School Science. Chicago [etc.]: SRA, 1975.

Cita MLA (9a ed.)

Ivany, J. W. Today's Science: A Professional Approach to Teaching Elementary School Science. SRA, 1975.