APA (7th ed.) Citation

Callender, P. (1969). Programmed learning: Its development and structure. Longmans.

Chicago Style (17th ed.) Citation

Callender, Patricia. Programmed Learning: Its Development and Structure. London: Longmans, 1969.

MLA (9th ed.) Citation

Callender, Patricia. Programmed Learning: Its Development and Structure. Longmans, 1969.

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