APA

Crocker L. G., Noble E., . (1961). The traveler's phrase book: English-Spanish. New York: Washington Square Press.

Chicago

Crocker Lester G, Noble Enrique, . 1961. The traveler's phrase book: English-Spanish. New York: Washington Square Press.

Harvard

Crocker L. G., Noble E., . (1961). The traveler's phrase book: English-Spanish. New York: Washington Square Press.

MLA

Crocker Lester G, Noble Enrique, . The traveler's phrase book: English-Spanish. New York: Washington Square Press. 1961.