APA (7th ed.) Citation

Spieker, M., & Spang, K. (1977). Los herejes de Marx: De Bernstein a Garaudy. Eunsa.

Chicago Style (17th ed.) Citation

Spieker, Manfred, and Kurt Spang. Los Herejes De Marx: De Bernstein a Garaudy. Pamplona: Eunsa, 1977.

MLA (9th ed.) Citation

Spieker, Manfred, and Kurt Spang. Los Herejes De Marx: De Bernstein a Garaudy. Eunsa, 1977.

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