APA引文

Bolza, O. (1961). Lectures on the calculus of variations. Dover.

Chicago Edition Citation

Bolza, Oskar. Lectures on the Calculus of Variations. New York: Dover, 1961.

MLA引文

Bolza, Oskar. Lectures on the Calculus of Variations. Dover, 1961.

警告：這些引文格式不一定是100％准確.