Cita APA (7th ed.)

Henn, W. (1971). "Rollei"-Werk in Singapur. Baumeister.

Cita Chicago (17th ed.)

Henn, Walter. ""Rollei"-Werk in Singapur." Baumeister 1971.

Cita MLA (8th ed.)

Henn, Walter. ""Rollei"-Werk in Singapur." Baumeister, 1971.

Atenció: Aquestes cites poden no estar 100% correctes.