APA Citation

Richards, I. A. 1., & Richards, I. A. 1. (1972). German: Through pictures. Nueva York: Pocket.

Chicago Style Citation

Richards, Ivor Armstrong 1893-1979, and Ivor Armstrong 1893-1979 Richards. German: Through Pictures. Nueva York: Pocket, 1972.

MLA Citation

Richards, Ivor Armstrong 1893-1979, and Ivor Armstrong 1893-1979 Richards. German: Through Pictures. Nueva York: Pocket, 1972.

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