APA (7th ed.) Citation

Petrequin, G. (1968). Individualizing learning through modular-flexible programming / by G. Petrequin. McGraw-Hill.

Chicago Style (17th ed.) Citation

Petrequin, G. Individualizing Learning Through Modular-flexible Programming / by G. Petrequin. McGraw-Hill, 1968.

MLA (9th ed.) Citation

Petrequin, G. Individualizing Learning Through Modular-flexible Programming / by G. Petrequin. McGraw-Hill, 1968.

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