APA (7th ed.) Citation

Helwin, H. (1987). Reittouristik. Sportverlag.

Chicago Style (17th ed.) Citation

Helwin, Hellmut. Reittouristik. Berlin: Sportverlag, 1987.

MLA (8th ed.) Citation

Helwin, Hellmut. Reittouristik. Sportverlag, 1987.

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