APA (7th ed.) Citation

Geyl, A. (1907). Dr. Theodor Tronchin.

Chicago Style (17th ed.) Citation

Geyl, A. Dr. Theodor Tronchin. 1907.

MLA (9th ed.) Citation

Geyl, A. Dr. Theodor Tronchin. 1907.

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