Cita APA (7th ed.)

Meißner, W., Müller, H., & Manke, M. (1978). Sommerblumen (o.A.).

Cita Chicago (17th ed.)

Meißner, Walter, Horst-Falko Müller, i Manfred Manke. Sommerblumen. o.A. Berlin, 1978.

Cita MLA (8th ed.)

Meißner, Walter, et al. Sommerblumen. o.A. 1978.