APA (7th ed.) Citation

Blackwelder, S. K. (1980). Sciences for all seasons: Science experiences for young children. Prentice Hall.

Chicago Style (17th ed.) Citation

Blackwelder, Sheila Kyser. Sciences for All Seasons: Science Experiences for Young Children. Englewood Cliffs, N.J. [u.a.]: Prentice Hall, 1980.

MLA (9th ed.) Citation

Blackwelder, Sheila Kyser. Sciences for All Seasons: Science Experiences for Young Children. Prentice Hall, 1980.