APA (7th ed.) Citation

Roman, P., & Aghassi, J. J. (1965). Classical field theory and gravitation in a de sitter world. [s. n.].

Chicago Style (17th ed.) Citation

Roman, P., and J. J. Aghassi. Classical Field Theory and Gravitation in a De Sitter World. [S. l.]: [s. n.], 1965.

MLA (8th ed.) Citation

Roman, P., and J. J. Aghassi. Classical Field Theory and Gravitation in a De Sitter World. [s. n.], 1965.