APA (7th ed.) Citation

Sproemberg, W. (1950). Robert Holtzmann 1873-1946.

Chicago Style (17th ed.) Citation

Sproemberg, W. Robert Holtzmann 1873-1946. 1950.

MLA (9th ed.) Citation

Sproemberg, W. Robert Holtzmann 1873-1946. 1950.

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