APA

Lecuna V., Lecuna V., Bertrand L. & Bierck H. A. J. (1951). Selected writings of Bolivar. New York: Colonial Press.

Chicago

Lecuna Vicente, Lecuna Vicente, Bertrand Lewis and Bierck Harold A Jr. 1951. Selected writings of Bolivar. New York: Colonial Press.

Harvard

Lecuna V., Lecuna V., Bertrand L. and Bierck H. A. J. (1951). Selected writings of Bolivar. New York: Colonial Press.

MLA

Lecuna Vicente, Lecuna Vicente, Bertrand Lewis and Bierck Harold A Jr. Selected writings of Bolivar. New York: Colonial Press. 1951.