APA (7th ed.) Citation

Petri, W. (1980). Emailarbeiten. Seemann.

Chicago Style (17th ed.) Citation

Petri, Wolfram. Emailarbeiten. Leipzig: Seemann, 1980.

MLA (8th ed.) Citation

Petri, Wolfram. Emailarbeiten. Seemann, 1980.

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