APA (7th ed.) Citation

Langley, R. (1968). Teaching elementary science: The teacher's guide to effective classroom activities. Parker.

Chicago Style (17th ed.) Citation

Langley, Rita. Teaching Elementary Science: The Teacher's Guide to Effective Classroom Activities. West Nyack, N.Y: Parker, 1968.

MLA (9th ed.) Citation

Langley, Rita. Teaching Elementary Science: The Teacher's Guide to Effective Classroom Activities. Parker, 1968.