APA (7th ed.) Citation

W, E. (2018). AFTERWORD. World (0888-157X), 21.

Chicago Style (17th ed.) Citation

W, E. "AFTERWORD." World (0888-157X) 2018: 21.

MLA (9th ed.) Citation

W, E. "AFTERWORD." World (0888-157X), 2018, p. 21.

Warning: These citations may not always be 100% accurate.