APA (7th ed.) Citation

Applebaum, S. (1960). String builder: A string class method (for class or individual instruction) in three books. Belwin.

Chicago Style (17th ed.) Citation

Applebaum, Samuel. String Builder: A String Class Method (for Class or Individual Instruction) in Three Books. Miami, Fla.: Belwin, 1960.

MLA (9th ed.) Citation

Applebaum, Samuel. String Builder: A String Class Method (for Class or Individual Instruction) in Three Books. Belwin, 1960.