APA (7th ed.) Citation

Knigge, R., & Schöffel, E. (1965). Faint southern BV-stars.

Chicago Style (17th ed.) Citation

Knigge, Rüdiger, and E. Schöffel. Faint Southern BV-stars. 1965.

MLA (9th ed.) Citation

Knigge, Rüdiger, and E. Schöffel. Faint Southern BV-stars. 1965.

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