APA aipamena

Klotz, J. W. (1971). Ecology crisis; God's creation and man's pollution. Concordia Pub. House.

Chicago Style aipamena

Klotz, John William. Ecology Crisis; God's Creation and Man's Pollution. St. Louis, Mo: Concordia Pub. House, 1971.

MLA aipamena

Klotz, John William. Ecology Crisis; God's Creation and Man's Pollution. Concordia Pub. House, 1971.