APA (7th ed.) Citation

Gray, W. S. Preliminary survey on methods of teaching, reading and writing. Kraus.

Chicago Style (17th ed.) Citation

Gray, William S. Preliminary Survey on Methods of Teaching, Reading and Writing. Nendeln: Kraus.

MLA (9th ed.) Citation

Gray, William S. Preliminary Survey on Methods of Teaching, Reading and Writing. Kraus.

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