APA (7th ed.) Citation

Theissen, F. (1968). Die Gattung Asterina in systematischer Darstellung. J. Cramer; Stechert-Hafner Service Agency.

Chicago Style (17th ed.) Citation

Theissen, Ferdinand. Die Gattung Asterina in Systematischer Darstellung. Lehre : New York: J. Cramer; Stechert-Hafner Service Agency, 1968.

MLA (9th ed.) Citation

Theissen, Ferdinand. Die Gattung Asterina in Systematischer Darstellung. J. Cramer; Stechert-Hafner Service Agency, 1968.

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