Cita APA

Lapp, R. E. (1969). La Materia. Time-Life International.

Citación estilo Chicago

Lapp, Ralph E. La Materia. Time-Life International, 1969.

Cita MLA

Lapp, Ralph E. La Materia. Time-Life International, 1969.

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