The animal's convention ..
MLA
Johnson, J. Rosamond, and James Weldon Johnson. The Animal's Convention .. New York: J.W. Stern & co., 1902
APA, 7th edition
Johnson, J. Rosamond, & Johnson, J. Weldon. (1902). The animal's convention .. New York: J.W. Stern & co
Chicago, 17th edition
Johnson, J. Rosamond, and James Weldon Johnson. The animal's convention .. New York: J.W. Stern & co., 1902