APA (7th ed.) Citation

Zygmund, A. Trigonometric series. Cambridge Univ. Press.

Chicago Style (17th ed.) Citation

Zygmund, Antoni. Trigonometric Series. Cambridge [u.a.]: Cambridge Univ. Press.

MLA (9th ed.) Citation

Zygmund, Antoni. Trigonometric Series. Cambridge Univ. Press.

Warning: These citations may not always be 100% accurate.