APA (7th ed.) Citation

Engen, H. V. (1969). Mathematics: Concepts, applications. Scott, Foresman.

Chicago Style (17th ed.) Citation

Engen, Henry Van. Mathematics: Concepts, Applications. Glenview, Ill: Scott, Foresman, 1969.

MLA (9th ed.) Citation

Engen, Henry Van. Mathematics: Concepts, Applications. Scott, Foresman, 1969.

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