APA (7th ed.) Citation

Struve, O., & Hack, M. (1967). Modern astrophysics: A memorial to Otto Struve. Gauthier-Villars; Gordon and Breach.

Chicago Style (17th ed.) Citation

Struve, Otto, and Margherita Hack. Modern Astrophysics: A Memorial to Otto Struve. Paris : New York: Gauthier-Villars; Gordon and Breach, 1967.

MLA (9th ed.) Citation

Struve, Otto, and Margherita Hack. Modern Astrophysics: A Memorial to Otto Struve. Gauthier-Villars; Gordon and Breach, 1967.