APA (7th ed.) Citation

Leipholz, H. (1977). Direct variational methods and eigenvalue problems in engineering. Noordhoff International Publishing.

Chicago Style (17th ed.) Citation

Leipholz, Horst. Direct Variational Methods and Eigenvalue Problems in Engineering. Leyden: Noordhoff International Publishing, 1977.

MLA (8th ed.) Citation

Leipholz, Horst. Direct Variational Methods and Eigenvalue Problems in Engineering. Noordhoff International Publishing, 1977.

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