APA

Maheshwari P., . (1950). An introduction to the embryology of angiosperms. New York: McGraw-Hill.

Chicago

Maheshwari P, . 1950. An introduction to the embryology of angiosperms. New York: McGraw-Hill.

Harvard

Maheshwari P., . (1950). An introduction to the embryology of angiosperms. New York: McGraw-Hill.

MLA

Maheshwari P, . An introduction to the embryology of angiosperms. New York: McGraw-Hill. 1950.