APA (7th ed.) Citation

Oster, L. (1978). Astronomía moderna. Reverté.

Chicago Style (17th ed.) Citation

Oster, Ludwig. Astronomía Moderna. Barcelona: Reverté, 1978.

MLA (9th ed.) Citation

Oster, Ludwig. Astronomía Moderna. Reverté, 1978.

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