APA (7th ed.) Citation

Abdel-Hak, T., & Keddis, S. E. (1961). Physiologic races of orange leaf rust of wheat (Puccinia recondita Rob.,Puccinia triticina Erikss) in the Egyptian region. Gen.org. for Gov.printing offices.

Chicago Style (17th ed.) Citation

Abdel-Hak, T., and Safia Elia Keddis. Physiologic Races of Orange Leaf Rust of Wheat (Puccinia Recondita Rob.,Puccinia Triticina Erikss) in the Egyptian Region. Cairo: Gen.org. for Gov.printing offices, 1961.

MLA (9th ed.) Citation

Abdel-Hak, T., and Safia Elia Keddis. Physiologic Races of Orange Leaf Rust of Wheat (Puccinia Recondita Rob.,Puccinia Triticina Erikss) in the Egyptian Region. Gen.org. for Gov.printing offices, 1961.