Styl cytowania APA

Courant, R., & Hilbert, D. (1975). Methods of mathematical physics. Wiley Eastern.

Styl cytowania Chicago

Courant, R., i D. Hilbert. Methods of Mathematical Physics. New Delhi: Wiley Eastern, 1975.

Styl cytowania MLA

Courant, R., i D. Hilbert. Methods of Mathematical Physics. Wiley Eastern, 1975.