Stellar spectroscopy, normal stars /
[by] Margherita Hack [and] Otto Struve.

APA Citation

Hack, M., Struve, O., Osservatorio astronomico di Trieste. (1969). Stellar spectroscopy, normal stars. Trieste: Osservatorio astronomico.

MLA Citation

Hack, Margherita, Otto Struve, and Osservatorio astronomico di Trieste. Stellar Spectroscopy, Normal Stars. Trieste: Osservatorio astronomico, 1969.

Warning: These citations may not always be complete (especially for serials).