APA (7th ed.) Citation

Lewin, G. (1979). Swimming. Sportverlag.

Chicago Style (17th ed.) Citation

Lewin, Gerhard. Swimming. Berlin: Sportverlag, 1979.

MLA (9th ed.) Citation

Lewin, Gerhard. Swimming. Sportverlag, 1979.

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