APA (7th ed.) Citation

Vossler, K., & Varela, L. (1956). Romania y Germania. Rialp.

Chicago Style (17th ed.) Citation

Vossler, Karl, and Luis Varela. Romania Y Germania. Madrid: Rialp, 1956.

MLA (9th ed.) Citation

Vossler, Karl, and Luis Varela. Romania Y Germania. Rialp, 1956.

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