Cita APA (7a ed.)

Palmore, E. B., & Jeffers, F. C. (1971). Prediction of life span: Recent findings. Heath Lexington Books.

Cita Chicago Style (17a ed.)

Palmore, Erdman Ballagh, y Frances C. Jeffers. Prediction of Life Span: Recent Findings. Lexington, MA: Heath Lexington Books, 1971.

Cita MLA (9a ed.)

Palmore, Erdman Ballagh, y Frances C. Jeffers. Prediction of Life Span: Recent Findings. Heath Lexington Books, 1971.