Schrag, L. (1985). Healthy pigeons: Recognition, prevention and treatment of the major pigeon diseases (Fifth English, revised edition.). Schober Verlags-Gmbh.
Chicago Style (17th ed.) CitationSchrag, Ludwig. Healthy Pigeons: Recognition, Prevention and Treatment of the Major Pigeon Diseases. Fifth English, revised edition. Hengersberg, West Germany: Schober Verlags-Gmbh, 1985.
MLA (9th ed.) CitationSchrag, Ludwig. Healthy Pigeons: Recognition, Prevention and Treatment of the Major Pigeon Diseases. Fifth English, revised edition. Schober Verlags-Gmbh, 1985.
Warning: These citations may not always be 100% accurate.