APA ציטוט

Twente, E. E. (1970). Never too old ([1st ed.].). Jossey-Bass.

Chicago Style (17th ed.) Citation

Twente, Esther E. Never Too Old. [1st ed.]. San Francisco: Jossey-Bass, 1970.

ציטוט MLA

Twente, Esther E. Never Too Old. [1st ed.]. Jossey-Bass, 1970.