APA (7th ed.) Citation

Stryjec, R., & Bötther, J. (1979). Ex Libris Jürgen Bötther.

Chicago Style (17th ed.) Citation

Stryjec, Ryszard, and Jürgen Bötther. Ex Libris Jürgen Bötther. 1979.

MLA (9th ed.) Citation

Stryjec, Ryszard, and Jürgen Bötther. Ex Libris Jürgen Bötther. 1979.

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