APA (7th ed.) Citation

Fellmann, R., & Krause, C. (1965). Castrum.

Chicago Style (17th ed.) Citation

Fellmann, Rudolf, and Clemens Krause. Castrum. 1965.

MLA (9th ed.) Citation

Fellmann, Rudolf, and Clemens Krause. Castrum. 1965.

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