APA (7th ed.) Citation

Powell, G. E. C., & Powell, L. C. (1987). Looking back and remembering: An autobiographical sketch. L.C. Powell.

Chicago Style (17th ed.) Citation

Powell, Gertrude Eliza Clark, and Lawrence Clark Powell. Looking Back and Remembering: An Autobiographical Sketch. Tucson: L.C. Powell, 1987.

MLA (9th ed.) Citation

Powell, Gertrude Eliza Clark, and Lawrence Clark Powell. Looking Back and Remembering: An Autobiographical Sketch. L.C. Powell, 1987.