El mundo español;
a practical Spanish grammar.
APA Citation
Leggett, E. Shafter. (1961). El mundo español: a practical Spanish grammar. [1st. ed.]. New York: American Press.
MLA Citation
Leggett, Edwin Shafter. El Mundo Español: a Practical Spanish Grammar. [1st. ed.]. New York: American Press, 1961.
Warning: These citations may not always be complete (especially for serials).