Παραπομπή APA

CLELAND, R. E. (1972). OENOTHERA: CYTOGENETICS AND EVOLUTION. ACADEMIC PRESS INC.

Παραπομπή Chicago Style

CLELAND, Ralph E. OENOTHERA: CYTOGENETICS AND EVOLUTION. LONDON & NEW YORK: ACADEMIC PRESS INC, 1972.

Παραπομπή MLA

CLELAND, Ralph E. OENOTHERA: CYTOGENETICS AND EVOLUTION. ACADEMIC PRESS INC, 1972.