APA (7th ed.) Citation

Okunrotifa, P. O. (1971). Achievement and Retention as Variables in Comparing Programmed and Conventional Instructions in Geography. Educational Leadership, 28(5), 501.

Chicago Style (17th ed.) Citation

Okunrotifa, P. O. "Achievement and Retention as Variables in Comparing Programmed and Conventional Instructions in Geography." Educational Leadership 28, no. 5 (1971): 501.

MLA (9th ed.) Citation

Okunrotifa, P. O. "Achievement and Retention as Variables in Comparing Programmed and Conventional Instructions in Geography." Educational Leadership, vol. 28, no. 5, 1971, p. 501.