APA (7th ed.) Citation

Praeger, R. L. (1967). An account of the sempervivum group (Repr.). Cramer u.a.

Chicago Style (17th ed.) Citation

Praeger, Robert L. An Account of the Sempervivum Group. Repr. Lehre: Cramer u.a, 1967.

MLA (9th ed.) Citation

Praeger, Robert L. An Account of the Sempervivum Group. Repr. Cramer u.a, 1967.

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