APA (7th ed.) Citation

Billett, R. O. (1940). Fundamental of secondary-school teaching: With emphasis on the unit method. Houghthon Mifflin Company.

Chicago Style (17th ed.) Citation

Billett, Roy O. Fundamental of Secondary-school Teaching: With Emphasis on the Unit Method. Houghthon Mifflin Company, 1940.

MLA (8th ed.) Citation

Billett, Roy O. Fundamental of Secondary-school Teaching: With Emphasis on the Unit Method. Houghthon Mifflin Company, 1940.

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