APA (7th ed.) Citation

Fehr, H. F. (1955). Algebra: Its key concepts and fundamental principles. Heath.

Chicago Style (17th ed.) Citation

Fehr, Howard F. Algebra: Its Key Concepts and Fundamental Principles. Boston: Heath, 1955.

MLA (9th ed.) Citation

Fehr, Howard F. Algebra: Its Key Concepts and Fundamental Principles. Heath, 1955.

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