APA (7th ed.) Citation

Slay, A. L. (1968). Programmed Instruction in Basic English Grammar. Wadsworth Publishing Co..

Chicago Style (17th ed.) Citation

Slay, Alan L. Programmed Instruction in Basic English Grammar. Belmont, California: Wadsworth Publishing Co., 1968.

MLA (9th ed.) Citation

Slay, Alan L. Programmed Instruction in Basic English Grammar. Wadsworth Publishing Co., 1968.

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