APA (7th ed.) Citation

Ellsworth, R. E. (1969). The Contribution of the Library to Improving Instruction.

Chicago Style (17th ed.) Citation

Ellsworth, Ralph E. The Contribution of the Library to Improving Instruction. 1969.

MLA (9th ed.) Citation

Ellsworth, Ralph E. The Contribution of the Library to Improving Instruction. 1969.

Warning: These citations may not always be 100% accurate.