APA (7th ed.) Citation

Krettner, J. (1964). Gewöhnliche Differentialgleichungen.

Chicago Style (17th ed.) Citation

Krettner, Josef. Gewöhnliche Differentialgleichungen. 1964.

MLA (9th ed.) Citation

Krettner, Josef. Gewöhnliche Differentialgleichungen. 1964.

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