APA

Madariaga Salvador de, . (1943). Spain. New York: Creative Age Press, Inc.

Chicago

Madariaga Salvador de, . 1943. Spain. New York: Creative Age Press, Inc.

Harvard

Madariaga Salvador de, . (1943). Spain. New York: Creative Age Press, Inc.

MLA

Madariaga Salvador de, . Spain. New York: Creative Age Press, Inc. 1943.