APA aipamena

Nicolay, H. (2006). Personal Traits of Abraham Lincoln. Stackpole Books.

Chicago Style aipamena

Nicolay, Helen. Personal Traits of Abraham Lincoln. Mechanicsb urg: Stackpole Books, 2006.

MLA aipamena

Nicolay, Helen. Personal Traits of Abraham Lincoln. Stackpole Books, 2006.