APA (7. basım) Alıntı

Sagan, H. (1992). Introduction to the calculus of variations. Dover Publications.

Chicago Style (17. basım) Atıf

Sagan, Hans. Introduction to the Calculus of Variations. New York: Dover Publications, 1992.

MLA (9th ed.) Atıf

Sagan, Hans. Introduction to the Calculus of Variations. Dover Publications, 1992.