APA (7th ed.) Citation

Hertling, L. 1. a. (1960). El cielo. Sal Terrae.

Chicago Style (17th ed.) Citation

Hertling, Ludwig 1892-1980 autor. El Cielo. Santander: Sal Terrae, 1960.

MLA (9th ed.) Citation

Hertling, Ludwig 1892-1980 autor. El Cielo. Sal Terrae, 1960.

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