APA Citation

Blume, G., & Blume, G. (1989). Voleibol. México: Roca.

Chicago Style Citation

Blume, Gunter, and Gunter Blume. Voleibol. México: Roca, 1989.

MLA Citation

Blume, Gunter, and Gunter Blume. Voleibol. México: Roca, 1989.

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