APA (7th ed.) Citation

Isert, G. (1948). Richtiges Entwickeln (23--25. Tsd.). Isert.

Chicago Style (17th ed.) Citation

Isert, Gerhard. Richtiges Entwickeln. 23--25. Tsd. Halle (Saale): Isert, 1948.

MLA (9th ed.) Citation

Isert, Gerhard. Richtiges Entwickeln. 23--25. Tsd. Isert, 1948.

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