APA (7th ed.) Citation

Andrews, C. F., Buchinger, O., & Otto, H. (1947). Was ich Christus verdanke. Friedrich.

Chicago Style (17th ed.) Citation

Andrews, Charles F., Otto Buchinger, and Heinrich Otto. Was Ich Christus Verdanke. Bad Pyrmont: Friedrich, 1947.

MLA (9th ed.) Citation

Andrews, Charles F., et al. Was Ich Christus Verdanke. Friedrich, 1947.

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