APA (7th ed.) Citation

Bahri, A. (1989). Critical points at infinity in some variational problems (1. publ.). Longman Scientific & Technical.

Chicago Style (17th ed.) Citation

Bahri, A. Critical Points at Infinity in Some Variational Problems. 1. publ. Harlow, Essex: Longman Scientific & Technical, 1989.

MLA (9th ed.) Citation

Bahri, A. Critical Points at Infinity in Some Variational Problems. 1. publ. Longman Scientific & Technical, 1989.