APA (7th ed.) Citation

Müller, F. C. G., Montan, A., & Schmidt, F. (1898). Krupp's steel works. W. Heinemann.

Chicago Style (17th ed.) Citation

Müller, Friedrich C. G., Anders Montan, and Felix Schmidt. Krupp's Steel Works. London: W. Heinemann, 1898.

MLA (9th ed.) Citation

Müller, Friedrich C. G., et al. Krupp's Steel Works. W. Heinemann, 1898.