APA (7th ed.) Citation

Butler, R. (1969). Temas que preocupan. Sal Terrae.

Chicago Style (17th ed.) Citation

Butler, Richard. Temas Que Preocupan. Santander: Sal Terrae, 1969.

MLA (9th ed.) Citation

Butler, Richard. Temas Que Preocupan. Sal Terrae, 1969.

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