Cita APA

Postal, P. M. (1971). Cross-over phenomena. [S.l.]: Holt.

Citación estilo Chicago

Postal, Paul M. Cross-over Phenomena. [S.l.]: Holt, 1971.

Cita MLA

Postal, Paul M. Cross-over Phenomena. [S.l.]: Holt, 1971.