APA Citation

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

Chicago Style Citation

Hertling, Ludwig (S.I.) 1892-1980. El Cielo. Santander: Sal Terrae, 1960.

MLA Citation

Hertling, Ludwig (S.I.) 1892-1980. El Cielo. Santander: Sal Terrae, 1960.

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